1. University of Pennsylvania, Philadelphia, Pennsylvania
2. Washington University, St Louis, Missouri
3. University of Iowa, Iowa City, Iowa
4. Weill Cornell Medicine, New York, New York
5. University of California, Los Angeles, California
6. University of California, San Diego, California
7. Zucker School of Medicine at Hofstra-Northwell, Lake Success, New York
8. Northwestern University, Chicago, Illinois
9. University of Michigan, Ann Arbor, Michigan