Institution
- University of California, San Diego30
- University of California, San Diego. School of Medicine1
- University of California, San Francisco30
- University of California, Santa Cruz2
- University of Cambridge3
- University of Chicago9
- University of Chicago Medical Center1
- University of Chicago. Hospitals and Clinics2
- University of Cincinnati. College of Medicine1
- University of Cincinnati. Medical Center1
- University of Colorado Boulder9
- University of Colorado Health Sciences Center3
- University of Connecticut2
- University of Durham1
- University of Edinburgh3
- University of Florida3
- University of Geneva Medical School1
- University of Houston1
- University of Illinois at Chicago2
- University of Illinois at Urbana-Champaign4