1. a MGH Institute of Health Professions , Boston , MA
2. b Brigham and Women's Hospital , Boston , MA , USA
3. c VA Palo Alto Health Care System , Palo Alto , CA , USA
4. d University of California , San Francisco , CA , USA
5. e Hunter College , CUNY , New York , NY , USA
6. f Rutgers, the State University of New Jersey , Newark , NJ , USA
7. g University of Oslo , Norway
8. h California State University , Fresno , USA
9. i Massachusetts General Hospital , Boston , MA , USA