| Year | Position | Institution |
| 1975 | State University Of New York 4 | |
| 1979 | University Of Pennsylvania 4 | |
| 1980 | University Of Pennsylvania 4 | |
| 1982 | University Of Pennsylvania 4 | |
| 1983 | University Of Pennsylvania 4 | |
| 1984 | University Of Pennsylvania 4 | |
| 1986 | University Of Pennsylvania 4 | |
| 1987 | University Of Maryland School Of Medicine 4 | |
| 1988 | University Of Maryland 4 | |
| 1989 | University Of Maryland School Of Medicine 4 | |
| 1990 | University Of Maryland 4 |
| Year | Subject | Role |
| 1975 | Research Assistants | |
| 1979 | Other Research Personnel | |
| 1980 | Other Research Personnel | |
| 1982 | Other Research Personnel | |
| 1983 | Other Research Personnel | |
| 1984 | Independent | |
| 1986 | Independent | |
| 1987 | Independent | |
| 1988 | Principal Investigators | |
| 1989 | Independent | |
| 1990 | Principal Investigators |
| Year | Location |
| 1975 | upstate medical center |