World's Best Scientists 2026 revealed!
VIEW LIST
Jakub Tolar

D-Index & Metrics

Biology and Biochemistry

D-Index
73
Citations
19463
World Ranking
5923
National Ranking
2803

Jakub Tolar publication distribution in Biology and Biochemistry in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Biology and Biochemistry in 2026. The highlighted bar marks where Jakub Tolar sits on this spectrum.

47–56 publications: 8 scientists 57–66 publications: 35 scientists 67–76 publications: 106 scientists 77–86 publications: 231 scientists 87–96 publications: 414 scientists 97–106 publications: 546 scientists 107–116 publications: 704 scientists 117–126 publications: 849 scientists 127–136 publications: 980 scientists 137–146 publications: 942 scientists 147–156 publications: 969 scientists 157–166 publications: 950 scientists 167–176 publications: 951 scientists 177–186 publications: 915 scientists 187–196 publications: 787 scientists 197–206 publications: 841 scientists 207–216 publications: 735 scientists 217–226 publications: 709 scientists 227–236 publications: 651 scientists 237–246 publications: 605 scientists 247–256 publications: 510 scientists 257–266 publications: 524 scientists 267–276 publications: 434 scientists 277–286 publications: 418 scientists 287–296 publications: 350 scientists 297–306 publications: 363 scientists 307–316 publications: 315 scientists 317–326 publications: 296 scientists 327–336 publications: 261 scientists 337–346 publications: 240 scientists 347–356 publications: 219 scientists 357–366 publications: 197 scientists 367–376 publications: 154 scientists 377–386 publications: 161 scientists 387–396 publications: 155 scientists 397–406 publications: 145 scientists 407–416 publications: 124 scientists 417–426 publications: 112 scientists 427–436 publications: 132 scientists 437–446 publications: 116 scientists 447–456 publications: 99 scientists 457–466 publications: 81 scientists 467–476 publications: 91 scientists 477–486 publications: 80 scientists 487–496 publications: 80 scientists 497–506 publications: 60 scientists 507–516 publications: 36 scientists 517–526 publications: 46 scientists 527–536 publications: 54 scientists 537–546 publications: 44 scientists 547–556 publications: 43 scientists 557–566 publications: 43 scientists 567–576 publications: 42 scientists 577–586 publications: 25 scientists 587–596 publications: 34 scientists 597–606 publications: 23 scientists 607–616 publications: 33 scientists 617–626 publications: 31 scientists 627–636 publications: 27 scientists 637–646 publications: 25 scientists 647–656 publications: 28 scientists 657–666 publications: 34 scientists 667–676 publications: 18 scientists 677–686 publications: 16 scientists 687–696 publications: 10 scientists 697–706 publications: 12 scientists 707–716 publications: 21 scientists 717–726 publications: 12 scientists 727–736 publications: 12 scientists 737–746 publications: 10 scientists 747–756 publications: 7 scientists 757–766 publications: 13 scientists 767–776 publications: 15 scientists 777–786 publications: 13 scientists 787–796 publications: 9 scientists 797–806 publications: 9 scientists 807–816 publications: 7 scientists 817–826 publications: 4 scientists 827–836 publications: 9 scientists 837–846 publications: 7 scientists 847–856 publications: 3 scientists 857–866 publications: 5 scientists 867–876 publications: 5 scientists 877–886 publications: 11 scientists 887–896 publications: 3 scientists 897–906 publications: 4 scientists 907–916 publications: 7 scientists 917–926 publications: 5 scientists 927–936 publications: 6 scientists 937–946 publications: 6 scientists 947–956 publications: 3 scientists 957–966 publications: 7 scientists 967–976 publications: 2 scientists 977–986 publications: 2 scientists 987–996 publications: 1 scientists 997–1,006 publications: 5 scientists 1,007–1,016 publications: 2 scientists 1,017–1,026 publications: 2 scientists 1,027 publications: 1 scientists 1,028+ publications: 100 scientists
47 publications 1,028+

This scientist: 446 publications — 93rd percentile

93% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,028 publications or more.

Jakub Tolar D-index placement in Biology and Biochemistry in 2026

The chart shows the D-index (discipline H-index) distribution of Biology and Biochemistry scientists ranked by Research.com in 2026. The highlighted bar marks where Jakub Tolar sits on this spectrum.

40–41 D-Index: 80 scientists 42–43 D-Index: 183 scientists 44–45 D-Index: 317 scientists 46–47 D-Index: 504 scientists 48–49 D-Index: 718 scientists 50–51 D-Index: 900 scientists 52–53 D-Index: 1,026 scientists 54–55 D-Index: 1,150 scientists 56–57 D-Index: 1,236 scientists 58–59 D-Index: 1,253 scientists 60–61 D-Index: 1,163 scientists 62–63 D-Index: 1,131 scientists 64–65 D-Index: 1,032 scientists 66–67 D-Index: 897 scientists 68–69 D-Index: 814 scientists 70–71 D-Index: 715 scientists 72–73 D-Index: 709 scientists 74–75 D-Index: 596 scientists 76–77 D-Index: 512 scientists 78–79 D-Index: 473 scientists 80–81 D-Index: 412 scientists 82–83 D-Index: 373 scientists 84–85 D-Index: 358 scientists 86–87 D-Index: 285 scientists 88–89 D-Index: 273 scientists 90–91 D-Index: 227 scientists 92–93 D-Index: 208 scientists 94–95 D-Index: 193 scientists 96–97 D-Index: 153 scientists 98–99 D-Index: 157 scientists 100–101 D-Index: 148 scientists 102–103 D-Index: 120 scientists 104–105 D-Index: 113 scientists 106–107 D-Index: 100 scientists 108–109 D-Index: 86 scientists 110–111 D-Index: 67 scientists 112–113 D-Index: 72 scientists 114–115 D-Index: 73 scientists 116–117 D-Index: 64 scientists 118–119 D-Index: 53 scientists 120–121 D-Index: 60 scientists 122–123 D-Index: 54 scientists 124–125 D-Index: 43 scientists 126–127 D-Index: 38 scientists 128–129 D-Index: 49 scientists 130–131 D-Index: 26 scientists 132–133 D-Index: 18 scientists 134–135 D-Index: 23 scientists 136–137 D-Index: 32 scientists 138–139 D-Index: 32 scientists 140–141 D-Index: 27 scientists 142–143 D-Index: 19 scientists 144–145 D-Index: 22 scientists 146–147 D-Index: 12 scientists 148–149 D-Index: 16 scientists 150–151 D-Index: 14 scientists 152–153 D-Index: 10 scientists 154–155 D-Index: 13 scientists 156–157 D-Index: 10 scientists 158–159 D-Index: 7 scientists 160–161 D-Index: 9 scientists 162–163 D-Index: 13 scientists 164–165 D-Index: 4 scientists 166 D-Index: 4 scientists 167+ D-Index: 98 scientists
40 D-Index 167+

This scientist: 73 D-Index — 71st percentile

71% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 167 D-Index or more.

Overview

Jakub Tolar is affiliated with the University of Minnesota in the United States. Their work spans across biochemistry, genetics, molecular biology, and medicine, reflecting a broad interdisciplinary research approach.

Tolar's main fields of study include:

  • Biochemistry, Genetics and Molecular Biology
  • Medicine

Within these broader areas, their research focuses on several subfields such as:

  • Molecular Biology
  • Cell Biology
  • Genetics
  • Immunology
  • Pathology and Forensic Medicine

Their primary topics of research encompass:

  • Skin and Cellular Biology Research
  • CRISPR and Genetic Engineering
  • Autoimmune Bullous Skin Diseases
  • Virus-based gene therapy research
  • Hematopoietic Stem Cell Transplantation
  • Pluripotent Stem Cells Research
  • Cellular Mechanics and Interactions

Jakub Tolar has contributed to various scientific publications, frequently publishing in venues such as:

  • Blood
  • Faculty Opinions - Post-Publication Peer Review of the Biomedical Literature
  • British Journal of Dermatology
  • Journal of Investigative Dermatology
  • Cytotherapy

Among recent papers associated with their work are:

  • Advanced reperfusion strategies for patients with out-of-hospital cardiac arrest and refractory ventricular fibrillation (ARREST): a phase 2, single centre, open-label, randomised controlled trial (2020, The Lancet)
  • Evolution of an adenine base editor into a small, efficient cytosine base editor with low off-target activity (2022, Nature Biotechnology)
  • Phage-assisted evolution and protein engineering yield compact, efficient prime editors (2023, Cell)
  • The Minnesota mobile extracorporeal cardiopulmonary resuscitation consortium for treatment of out-of-hospital refractory ventricular fibrillation: Program description, performance, and outcomes (2020, EClinicalMedicine)
  • Efficient site-specific integration of large genes in mammalian cells via continuously evolved recombinases and prime editing (2024, Nature Biomedical Engineering)

Their frequent collaborators include Cindy Eide, Megan Riddle, Christen L. Ebens, Mark J. Osborn, and Bruce R. Blazar, with multiple co-authored publications demonstrating ongoing collaborative research efforts.

Best Publications

  • Sarcoma derived from cultured mesenchymal stem cells

    Jakub Tolar;Alma J. Nauta;Mark J. Osborn;Angela Panoskaltsis Mortari

  • Advanced reperfusion strategies for patients with out-of-hospital cardiac arrest and refractory ventricular fibrillation (ARREST): a phase 2, single centre, open-label, randomised controlled trial.

    Demetris Yannopoulos;Jason Bartos;Ganesh Raveendran;Emily Walser

  • Mechanisms of disease osteopetrosis

    Jakub Tolar;Steven L. Teitelbaum;Paul J. Orchard

  • Bone marrow myeloid-derived suppressor cells (MDSCs) inhibit graft-versus-host disease (GVHD) via an arginase-1-dependent mechanism that is up-regulated by interleukin-13.

    Steven L. Highfill;Paulo C. Rodriguez;Qing Zhou;Christine A. Goetz

  • Concise review: hitting the right spot with mesenchymal stromal cells.

    Jakub Tolar;Katarina Le Blanc;Armand Keating;Bruce R. Blazar

  • Bone Marrow Transplantation for Recessive Dystrophic Epidermolysis Bullosa

    John E Wagner;Akemi Ishida-Yamamoto;John A McGrath;Maria Hordinsky

  • The latent human herpesvirus-6A genome specifically integrates in telomeres of human chromosomes in vivo and in vitro

    Jesse H. Arbuckle;Maria M. Medveczky;Janos Luka;Stephen H. Hadley

  • IL15 Trispecific Killer Engagers (TriKE) Make Natural Killer Cells Specific to CD33+ Targets While Also Inducing Persistence, In Vivo Expansion, and Enhanced Function

    Daniel A. Vallera;Martin Felices;Ron McElmurry;Valarie McCullar

  • Marked increased risk of Epstein-Barr virus-related complications with the addition of antithymocyte globulin to a nonmyeloablative conditioning prior to unrelated umbilical cord blood transplantation

    Claudio G. Brunstein;Daniel J. Weisdorf;Todd DeFor;Juliet N. Barker

  • Phase I/II Trial of StemRegenin-1 Expanded Umbilical Cord Blood Hematopoietic Stem Cells Supports Testing as a Stand-Alone Graft.

    John E Wagner;Claudio G Brunstein;Anthony E. Boitano;Todd E. DeFor

  • Long-term outcome of Hurler syndrome patients after hematopoietic cell transplantation : an international multicenter study

    Mieke Aldenhoven;Robert F. Wynn;Paul J. Orchard;Anne O'Meara

  • Program death-1 signaling and regulatory T cells collaborate to resist the function of adoptively transferred cytotoxic T lymphocytes in advanced acute myeloid leukemia.

    Qing Zhou;Meghan E. Munger;Steven L. Highfill;Jakub Tolar

  • TALEN-based Gene Correction for Epidermolysis Bullosa

    Mark J Osborn;Colby G Starker;Amber N McElroy;Beau R Webber

  • Outcomes after allogeneic hematopoietic cell transplantation for childhood cerebral adrenoleukodystrophy: the largest single-institution cohort report.

    Weston P. Miller;Steven M. Rothman;David Nascene;Teresa Kivisto

  • Germline Mutations in BRCA2: Shared Genetic Susceptibility to Breast Cancer, Early Onset Leukemia and Fanconi Anemia

    John E. Wagner;Jakub Tolar;Orna Levran;Thomas Scholl

  • Continuous treatment with IL-15 exhausts human NK cells via a metabolic defect

    Martin Felices;Alexander J. Lenvik;Ron McElmurry;Sami Chu

  • Incorporation of Immune Checkpoint Blockade into Chimeric Antigen Receptor T Cells (CAR-Ts): Combination or Built-In CAR-T

    Dok Hyun H Yoon;Mark J Osborn;Jakub Tolar;Chong Jai Kim

  • Evaluation of TCR gene editing achieved by TALENs, CRISPR/Cas9, and megaTAL nucleases

    Mark J. Osborn;Beau R. Webber;Friederike Knipping;Cara Lin Lonetree

  • 3D Printed Functional and Biological Materials on Moving Freeform Surfaces.

    Zhijie Zhu;Shuang Zhuang Guo;Tessa Hirdler;Cindy Eide

  • Optimization of conditioning for marrow transplantation from unrelated donors for patients with aplastic anemia after failure of immunosuppressive therapy

    H. Joachim Deeg;Margaret O'Donnell;Jakub Tolar;Rajni Agarwal

Frequent Co-Authors

Bruce R. Blazar
Bruce R. Blazar University of Minnesota
Paul J. Orchard
Paul J. Orchard University of Minnesota
John E. Wagner
John E. Wagner University of Minnesota
Angela Panoskaltsis-Mortari
Angela Panoskaltsis-Mortari University of Minnesota
John A. McGrath
John A. McGrath King's College London
Todd E. DeFor
Todd E. DeFor University of Minnesota
Douglas R. Keene
Douglas R. Keene Shriners Hospitals for Children - Portland
Jeffrey S. Miller
Jeffrey S. Miller University of Minnesota
Catherine M. Verfaillie
Catherine M. Verfaillie KU Leuven
R. Scott McIvor
R. Scott McIvor University of Minnesota

External Links

Personal website of Jakub Tolar

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Related Online Degrees & Career Pathways

Studying Biology and Biochemistry in the USA opens doors to a wide range of careers in healthcare, research, and medical technology. For students looking to expand their expertise or enter the workforce quickly, there are several relevant online degrees and certifications available.

Allied health roles are in high demand. You can consider online sonography certificate programs to start a career as an ultrasound technician, or explore online rad tech programs for a foundational education in radiology technology.

For those interested in nutrition and dietetics, pursuing a degree from the best schools for masters in nutrition can provide advanced training for roles in clinical or community nutrition. If you're seeking an entry-level healthcare job with flexibility, consider medical assistant classes online with financial aid, designed to help students affordably gain essential clinical skills.

Each of these pathways complements core studies in Biology and Biochemistry, providing practical experience and expanding your career options within the health sciences sector.

Best Scientists Citing Jakub Tolar

Bruce R. Blazar

Bruce R. Blazar

University of Minnesota

Publications: 62

Paul J. Orchard

Paul J. Orchard

University of Minnesota

Publications: 61

Roberto Giugliani

Roberto Giugliani

Federal University of Rio Grande do Sul

Publications: 52

Jeffrey S. Miller

Jeffrey S. Miller

University of Minnesota

Publications: 44

John A. McGrath

John A. McGrath

King's College London

Publications: 38

Catherine M. Verfaillie

Catherine M. Verfaillie

KU Leuven

Publications: 38

Jouni Uitto

Jouni Uitto

Thomas Jefferson University

Publications: 35

Joanne Kurtzberg

Joanne Kurtzberg

Duke University

Publications: 35

Shunji Tomatsu

Shunji Tomatsu

Alfred I. duPont Hospital for Children

Publications: 33

Judith C. W. Marsh

Judith C. W. Marsh

King's College London

Publications: 31

John E. Wagner

John E. Wagner

University of Minnesota

Publications: 31

Leena Bruckner-Tuderman

Leena Bruckner-Tuderman

University of Freiburg

Publications: 31

Laurence J.N. Cooper

Laurence J.N. Cooper

The University of Texas MD Anderson Cancer Center

Publications: 26

Nada Lavrač

Nada Lavrač

Jozef Stefan Institute

Publications: 26

Louis Flamand

Louis Flamand

Université Laval

Publications: 26

Elizabeth J. Shpall

Elizabeth J. Shpall

The University of Texas MD Anderson Cancer Center

Publications: 25

Trending Scientists

Jamie Evans

Jamie Evans

University of Melbourne

Hans Spinnler

Hans Spinnler

University of Milan

Agnes Tiwari

Agnes Tiwari

University of Hong Kong

Christopher D. Cappa

Christopher D. Cappa

University of California, Davis

Demetris Koutsoyiannis

Demetris Koutsoyiannis

National Technical University of Athens

Janine T. Erler

Janine T. Erler

University of Copenhagen

Alex Toker

Alex Toker

Beth Israel Deaconess Medical Center

Robert E. Criss

Robert E. Criss

Washington University in St. Louis

Gary T. Mitchum

Gary T. Mitchum

University of South Florida

Michael Soyka

Michael Soyka

Ludwig-Maximilians-Universität München

Patrick H. O'Farrell

Patrick H. O'Farrell

University of California, San Francisco

Wilfried Mokwa

Wilfried Mokwa

RWTH Aachen University

Mario Fritz

Mario Fritz

Helmholtz Center for Information Security

Walter L. Biffl

Walter L. Biffl

University of California, Irvine

Craig J. McClain

Craig J. McClain

University of Louisville

Shahn Majid

Shahn Majid

Queen Mary University of London

Related Biology and Biochemistry Rankings & Guides

2026 Biochemistry vs. Biotechnology Degree: Explaining the Difference

2026 Biochemistry vs. Biotechnology Degree: Explaining the Difference
2026 Medical Assisting Degree vs. Certificate: Which Should You Choose?

2026 Medical Assisting Degree vs. Certificate: Which Should You Choose?
2026 Biotechnology Careers: Guide to Career Paths, Options & Salary

2026 Biotechnology Careers: Guide to Career Paths, Options & Salary
2026 Radiology Technician vs. Respiratory Therapist Degree: Explaining the Difference

2026 Radiology Technician vs. Respiratory Therapist Degree: Explaining the Difference
2026 Radiology Technologist vs. Ultrasound Technologist: Explaining the Difference

2026 Radiology Technologist vs. Ultrasound Technologist: Explaining the Difference
2026 Public Health vs. Healthcare Management Degree: Explaining the Difference

2026 Public Health vs. Healthcare Management Degree: Explaining the Difference
2026 Careers for Biology Majors That Pay Well

2026 Careers for Biology Majors That Pay Well
2026 Family Nurse Practitioner vs. Psychiatric Mental Health Nurse Practitioner: Explaining the Difference

2026 Family Nurse Practitioner vs. Psychiatric Mental Health Nurse Practitioner: Explaining the Difference
2026 Military-Friendly Online Pharmacy Degree Programs: Benefits, Accreditation, and Career Outcomes

2026 Military-Friendly Online Pharmacy Degree Programs: Benefits, Accreditation, and Career Outcomes
2026 How to Become a Credentialing Specialist: Education, Salary, and Job Outlook

2026 How to Become a Credentialing Specialist: Education, Salary, and Job Outlook
2026 Cheapest and Shortest Online Medical Billing & Coding Degree Programs That Pay Well: Cost, Duration, and Salary Outlook

2026 Cheapest and Shortest Online Medical Billing & Coding Degree Programs That Pay Well: Cost, Duration, and Salary Outlook
2026 How to Become a Clinical Research Associate: Education, Salary, and Job Outlook

2026 How to Become a Clinical Research Associate: Education, Salary, and Job Outlook
2026 Fastest Online Nurse Midwifery Degree Programs You Can Finish in Under 2 Years

2026 Fastest Online Nurse Midwifery Degree Programs You Can Finish in Under 2 Years
2026 How to Verify Accreditation for Medical Billing & Coding Degree Programs

2026 How to Verify Accreditation for Medical Billing & Coding Degree Programs
2026 Biotechnology Degree vs. Certificate: Which Should You Choose?

2026 Biotechnology Degree vs. Certificate: Which Should You Choose?
2026 Do Online Pharmacy Programs Offer Weekly Start Dates? Enrollment Calendar & Start Options

2026 Do Online Pharmacy Programs Offer Weekly Start Dates? Enrollment Calendar & Start Options
2026 State-Approved Online Healthcare Management Degree Master's Programs

2026 State-Approved Online Healthcare Management Degree Master's Programs
2026 Certified Nursing Assistant (CNA) vs. Registered Nurse (RN): Explaining the Difference

2026 Certified Nursing Assistant (CNA) vs. Registered Nurse (RN): Explaining the Difference
2026 Which Schools Offer Flexible Start-Anytime Enrollment for an Occupational Therapy Program?

2026 Which Schools Offer Flexible Start-Anytime Enrollment for an Occupational Therapy Program?
2026 Military-Friendly Online Nutrition Degree Programs: Benefits, Accreditation, and Career Outcomes

2026 Military-Friendly Online Nutrition Degree Programs: Benefits, Accreditation, and Career Outcomes
2026 How To Become a Pharmaceutical Scientist: Salary & Career Paths

2026 How To Become a Pharmaceutical Scientist: Salary & Career Paths

Recently Published Articles

2026 How to Become a Nutritionist in Virginia

2026 How to Become a Nutritionist in Virginia
2026 How to Become an Intelligence Analyst: Education, Salary, and Job Outlook

2026 How to Become an Intelligence Analyst: Education, Salary, and Job Outlook
2026 How to Become a Certified Financial Planner in New Jersey

2026 How to Become a Certified Financial Planner in New Jersey
2026 Best Nursing Schools in Minnesota – Accredited ADN, BSN, MSN Programs

2026 Best Nursing Schools in Minnesota – Accredited ADN, BSN, MSN Programs
2026 Military-Friendly Online Criminology Bachelor's Degree Programs

2026 Military-Friendly Online Criminology Bachelor's Degree Programs
2026 Fastest-Growing Careers for Health Informatics Degree Graduates

2026 Fastest-Growing Careers for Health Informatics Degree Graduates
2026 Fully Online vs Hybrid Biostatistics Degree Master's Programs: Which Is Better?

2026 Fully Online vs Hybrid Biostatistics Degree Master's Programs: Which Is Better?
2026 One-Year Online Urban Planning Master's Degree Programs: Accelerated Options, Costs & Outcomes

2026 One-Year Online Urban Planning Master's Degree Programs: Accelerated Options, Costs & Outcomes
2026 Best Online LPN-to-RN Programs

2026 Best Online LPN-to-RN Programs
2026 How to Become a Licensed Therapist (LPC) in Richmond, VA

2026 How to Become a Licensed Therapist (LPC) in Richmond, VA
2026 Medical Jobs That Don't Require a College Degree

2026 Medical Jobs That Don't Require a College Degree
2026 Military-Friendly Online Data Analytics Master's Degree Programs: Benefits, Accreditation & Career Outcomes

2026 Military-Friendly Online Data Analytics Master's Degree Programs: Benefits, Accreditation & Career Outcomes
2026 Best 12-month Accelerated Online Nursing Degree Programs

2026 Best 12-month Accelerated Online Nursing Degree Programs
2026 Cheapest and Shortest Online Respiratory Care Therapy Degree Programs That Pay Well: Cost, Duration, and Salary Outlook

2026 Cheapest and Shortest Online Respiratory Care Therapy Degree Programs That Pay Well: Cost, Duration, and Salary Outlook
2026 What Are the Requirements for a Master’s Degree in Education?

2026 What Are the Requirements for a Master’s Degree in Education?
2026 How to Become a Caregiver: Certification Requirements in Missouri

2026 How to Become a Caregiver: Certification Requirements in Missouri
2026 Best LVN Programs in California – Accredited Online LVN Programs

2026 Best LVN Programs in California – Accredited Online LVN Programs
2026 Fastest Online MSN in Nursing Education Programs

2026 Fastest Online MSN in Nursing Education Programs
2026 Best Nurse Practitioner Programs in Illinois – Accredited Schools Online & Campus

2026 Best Nurse Practitioner Programs in Illinois – Accredited Schools Online & Campus
2026 Cheapest and Shortest Online Public Administration Degree Programs That Pay Well: Cost, Duration, and Salary Outlook

2026 Cheapest and Shortest Online Public Administration Degree Programs That Pay Well: Cost, Duration, and Salary Outlook
2026 Most Affordable AACSB Online MBA Degree Programs

2026 Most Affordable AACSB Online MBA Degree Programs