1. Endocrinology and Nutrition Unit; Segovia General Hospital; Segovia
2. Endocrinology and Nutrition Unit; University Hospital Arnau de Vilanova; Institut de Recerca Biomèdica de Lleida and CIBERDEM (CIBER de Diabetes y Enfermedades Metabólicas Asociadas, ISCIII); University of Lleida; Lleida
3. Endocrinology Unit; Complejo Hospitalario Hospital Xeral de Vigo; Vigo
4. Endocrinology Unit; Hospital Montecelo de Pontevedra; Pontevedra
5. Endocrinology and Nutrition Unit; Virgen Macarena Hospital; Seville
6. Endocrinology Unit; Hospital Universitario Infanta Cristina; Badajoz
7. Centre for Research in Molecular Medicine and Chronic Diseases (CiMUS); University of Santiago de Compostela; A Coruña Spain