1. Research Service, Hines Veterans Affairs Hospital, Hines, Illinois
2. Cooperative Studies Coordinating Center, Hines Veterans Affairs Hospital, Hines, Illinois
3. University of Wisconsin, Madison, Wisconsin
4. Research Service, Omaha Veterans Affairs Medical Center, Omaha, Nebraska
5. Endocrinology Department, Carl T. Hayden Veterans Affairs Medical Center, Phoenix, Arizona
6. Research Service, Miami Veterans Affairs Medical Center, Miami, Florida