1. Department of Endocrinology Unit (L.I., L.S., M.D.), Hospital Sant Joan de Déu, University of Barcelona, 08950 Esplugues, Barcelona, Spain
2. Diabetes, Endocrinology & Nutrition Unit (A.L.-B.), Dr. Trueta Hospital, 17007 Girona, Spain
3. Department of Endocrinology Unit (M.V.M.), Hospital de Terrassa, 08227 Terrassa, Spain
4. Department of Woman & Child (F.d.Z.), University of Leuven, 3000 Leuven, Belgium