1. Queen’s University, Kingston, Ontario, Canada
2. Cleveland Clinic Florida, Weston, Florida
3. University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania
4. Veterans Affairs Maryland Health Care System and University of Maryland School of Medicine, Baltimore
5. University of Mississippi Health Science Center, Jackson, Mississippi
6. David Geffen School of Medicine at University of California Los Angeles, Los Angeles, California, Brigham
7. Women’s Hospital, Boston, Massachusetts
8. Temple University, Philadelphia, Pennsylvania
9. Northwestern University, Chicago, Illinois
10. National Institute of Diabetes and Digestive and Kidney Diseases, Bethesda, Maryland