2006 (5)
2007 (359)
2008 (314)
2009 (177)
2010 (162)
2011 (90)
| Research school (name) (state) |
| Columbia University (NY) |
| Duke University (NC) |
| Harvard University (MA) |
| Johns Hopkins University (MD) |
| Stanford University (CA) |
| University of California--San Francisco |
| University of Pennsylvania (Perelman) |
| University of Washington |
| Washington University in St. Louis |
| Yale University (CT) |
| Primary care school (name) |
| Michigan State University (College of Osteopathic Medicine) |
| Oregon Health and Science University |
| University of California--San Francisco |
| University of Massachusetts--Worcester |
| University of Michigan--Ann Arbor |
| University of Minnesota |
| University of Nebraska Medical Center |
| University of North Carolina--Chapel Hill |
| University of Washington |
| University of Wisconsin--Madison |