Institution
- University of Washington22
- United States. Army21
- Howard Hughes Medical Institute20
- University of Illinois at Chicago18
- University of Minnesota18
- Salk Institute for Biological Studies17
- State University of New York at Stony Brook17
- University of California, Los Angeles17
- University of Oxford17
- New York University16
- University of Texas at Austin16
- Yale University. School of Medicine16
- Massachusetts General Hospital15
- United States. Environmental Protection Agency15
- City University of New York. City College14
- Johns Hopkins University. School of Medicine14
- Northwestern University (Evanston, Ill.)14
- University of Colorado Boulder14
- University of Utah14
- Bell Telephone Laboratories13