Table 1.
1. | University of Illinois at Chicago |
2. | The University of Chicago and the University of Ibadan (Nigeria) |
3. | Tufts University and Northeastern University, Boston, Mass. |
4. | RAND Corporation, Santa Monica, Calif., Pittsburgh, Penn.; Washington, DC |
5. | University of Pennsylvania, Philadelphia, Penn. |
6. | University of Texas Medical Branch, Galveston, Texas |
7. | Ohio State University, Columbus, Ohio and the University of Michigan, Ann Arbor, Mich. |
8. | Wayne State University, Detroit, Mich. |