| Year | Position | Institution |
| 1974 | Postdoctoral Research Associate | Vanderbilt University 4 |
| 1986 | Boston University School Of Medicine 4 | |
| 1988 | Boston University School Of Medicine 4 |
| Year | Subject | Role |
| 1974 | Library Readers | |
| 1986 | Independent | |
| 1988 | Other Research Personnel |