1. Laboratory of Inorganic and Nuclear Chemistry, Wadsworth Center, New York State Department of Health, Albany, New York
2. Department of Environmental Health Sciences, School of Public Health, The University at Albany, State University of New York, Albany, New York
3. Osteoporosis Research Center, Creighton University School of Medicine, Omaha, Nebraska
4. Department of Medicine, Division of Gastroenterology and Nutrition, Albany Medical College, Albany, New York