1. Institute for Genome Sciences, University of Maryland School of Medicine , Baltimore, MD , USA
2. Division of Gastroenterology and Hepatology, Department of Medicine, University of Maryland School of Medicine , Baltimore, MD , USA
3. Division of Rheumatology and Clinical Immunology, Department of Medicine, University of Maryland School of Medicine , Baltimore, MD , USA
4. Department of Surgery, George Washington University School of Medicine and Health Sciences , Washington, DC , USA
5. University of Alabama
6. University of Pennsylvania
7. University of Maryland
8. Brigham & Women’s Hospital
9. University of Michigan
10. University of Pittsburgh
11. University of Wisconsin
12. Mayo Clinic
13. Baylor College of Medicine
14. Baylor Scott & White
15. Indiana University
16. Medical College of Wisconsin
17. NYU Langone Medical Center
18. University of Cincinnati
19. University of Chicago
20. Vanderbilt University
21. Washington University