| Year | Position | Institution |
| 1976 | Physiologist | National Institutes Of Health 4 |
| 1977 | Research Physiologist | Nincds 4 |
| 1980 | National Institutes Of Health 4 |
| Year | Subject | Role |
| 1976 | Independent Investigators | |
| 1977 | Independent | |
| 1980 | Other Research Personnel |
| Year | Location |
| 1977 | national institutes of health |