| Year | Position | Institution |
| 1994 | Roche Institute Of Molecular Biology 4 | |
| 1995 | National Institutes Of Health 4 | |
| 1997 | National Institutes Of Health 4 |
| Year | Subject | Role |
| 1994 | Pricinipal Investigators | |
| 1995 | Pricinipal Investigators | |
| 1997 | Other Research Personnel |