1. University of Sheffield (R.E.), Sheffield S10 2TN, United Kingdom
2. Center for Molecular Medicine and Division of Endocrinology and Metabolism (A.A.), University of Connecticut School of Medicine, Farmington, Connecticut 06030
3. Department of Internal Medicine (M.L.B.), University of Florence, 50133 Florence, Italy
4. Division of Endocrinology (E.R.B.), Diabetes and Hypertension, Department of Medicine, Brigham and Women’s Hospital, Boston, Massachusetts 02115
5. Research Center (P.D.), Centre Hospitalier de l’Université de Montréal, Hôpital Saint-Luc and Department of Medicine, University of Montréal, Montréal, Québec, Canada H3C 3J7
6. Departments of Medicine, Community Health Sciences, and Oncology (D.A.H.), Division of Endocrinology and Metabolism, University of Calgary, Calgary, Alberta, Canada AB T2N 1N4
7. Bone and Mineral Research Laboratory (D.S.R.), Henry Ford Hospital, Detroit, Michigan 48202
8. Division of Endocrinology (M.J.R., S.J.S.), Columbia University College of Physicians and Surgeons, New York, New York 10032
9. Department of Medicine (D.G.), McGill University and McGill University Health Centre, Montreal, Quebec, Canada QC H3G 1A4
10. Metabolic Diseases Branch (S.M.), National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, Maryland 20892
11. Indiana University Medical School (M.P.), Indianapolis, Indiana 46202
12. Department of Endocrinology (L.M.), Aarhus University Hospital, Aarhus Sygehus, Tage-Hansens Gade 2, DK-8000 Aarhus, Denmark
13. Katholieke Universiteit Leuven (R.B.), Laboratory of Experimental Medicine and Endocrinology, 3000 Leuven, Belgium
14. New Mexico Clinical Research and Osteoporosis Center (E.M.L.), University of New Mexico School of Medicine, Albuquerque, New Mexico 87106