| Purdue University |
West Lafayette |
Indiana |
United States |
| United States Department of Agriculture, Agricultural Research Service |
Ames |
Iowa |
United States |
| Iowa State University |
Ames |
Iowa |
United States |
| Ames National Laboratory |
Ames |
Iowa |
United States |
| Coe College |
Cedar Rapids |
Iowa |
United States |
| University of Iowa |
Iowa City |
Iowa |
United States |
| University of Kansas |
Lawrence |
Kansas |
United States |
| Kansas State University |
Manhattan |
Kansas |
United States |
| University of Kentucky |
Lexington |
Kentucky |
United States |
| Tulane University |
New Orleans |
Louisiana |
United States |
| University of Maine |
Orono |
Maine |
United States |
| Johns Hopkins University |
Baltimore |
Maryland |
United States |
| University of Maryland |
College park |
Maryland |
United States |
| University of Maryland Baltimore County |
Greenbelt |
Maryland |
United States |
| University of Massachusetts |
Amherst |
Massachusetts |
United States |
| Northeastern University |
Boston |
Massachusetts |
United States |
| Massachusetts Eye and Ear |
Boston |
Massachusetts |
United States |
| Smithsonian Astrophysical Observatory |
Cambridge |
Massachusetts |
United States |
| Massachusetts Institute of Technology |
Cambridge |
Massachusetts |
United States |
| Harvard University |
Cambridge |
Massachusetts |
United States |
| Harvard Medical School |
Cambridge |
Massachusetts |
United States |
| University of Massachusetts Medical School |
Worcester |
MASSACHUSETTS |
United States |
| President and Fellows of Harvard College |
Cambridge |
Massecheuts |
United States |
| Boston College |
Chestnut Hill |
Massecheuts |
United States |
| Michigan State University |
East Lansing |
Michigan |
United States |