1. Division of Bone Diseases (J.-P.B.), University Hospitals and Faculty of Medicine, CH-1211 Geneva, Switzerland;
2. Groupe de Recherche Nutritionnelle (V.B., F.P.), Yoplait, F-92641 Boulogne, France;
3. Division of Endocrinology, Diabetes, and Metabolism (M.K.), University Hospital Basel, CH-4003 Basel, Switzerland