Institution
- McGill University3
- Medical College of Wisconsin3
- Mount Sinai School of Medicine3
- Northwestern University (Evanston, Ill.)3
- Ohio State University3
- Purdue University3
- State University of New York at Buffalo3
- Tufts University3
- Universität Basel3
- University of Cambridge3
- University of Colorado Health Sciences Center3
- University of Edinburgh3
- University of Florida3
- University of Pennsylvania. School of Medicine3
- University of Toronto3
- Vanderbilt University. School of Medicine3
- Zhongguo ke xue ji shu da xue3
- Amherst College2
- Boston University2
- Case Western Reserve University. School of Medicine2