1. Section of Endocrinology and Nutrition, University Hospital of Gran Canaria Doctor Negrín, 35010 Las Palmas de Gran Canaria, Spain
2. Service of Endocrinology and Nutrition, University Hospital Fundación Jiménez Díaz, 28040 Madrid, Spain
3. Service of Endocrinology and Nutrition, University Hospital Virgen de las Nieves, 18014 Granada, Spain
4. Endocrinology and Nutrition Department, University Hospital of Cabueñes, 33394 Gijón, Spain
5. Endocrinology, Nutrition, Diabetes and Obesity Group, Health Research Institute of the Principality of Asturias (ISPA), 33011 Oviedo, Spain
6. Service of Endocrinology, University Hospital Doctor Peset, 46017 Valencia, Spain
7. Health Economics & Outcomes Research, Outcomes’10 S.L, 12071 Castellón de la Plana, Spain
8. Medicine Department, Jaume I University, 12071 Castellón de la Plana, Spain