1. Professor of Medicine, Vice President for Health Sciences, Creighton University, Omaha, NE 68178.
2. Associate Professor of Medicine, Creighton University School of Medicine, Omaha, NE 68178.
3. Professor of Medicine, Director of Endocrinology and Metabolism, Indiana University School of Medicine, Indianapolis, IN 46223.
4. Associate Professor of Medicine, Massachusette General Hospital, Boston, MA 02114.
5. Director, Bone and Mineral Laboratory, Henry Ford Hospital, Detroit, MI 48202.
6. Senior Scientist, National Institute of Arthritis, Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, MD 20205.