1. VA Boston Healthcare System, 150 South Huntington Avenue, Boston, MA 02130.
2. Edith Nourse Rogers Memorial VA Hospital, 200 Springs Road, Bedford, MA 01730.
3. Boston University School of Public Health, 715 Albany Street, Boston, MA 02118.
4. VA Pittsburgh Healthcare System, 0 University Drive C, Pittsburgh, PA 15240.
5. Durham VA Medical Center, 508 Fulton Street, Durham, NC 27704.
6. University of Pittsburgh, 3471 Fifth Avenue, Suite 500, Pittsburgh, PA 15260.