1. Endocrinology and Nutrition Department, Ciudad Real General University Hospital, Ciudad Real School of Medicine, University of Castilla-La Mancha, Ciudad Real, Spain
2. Endocrinology and Nutrition Service, University Clinical Hospital of Valladolid, School of Medicine, University of Valladolid, Valladolid, Spain
3. Endocrinology Service, Hospital Arnau de Vilanova, Valencia, Spain
4. Pediatric Endocrinology Unit, Maternal and Child Hospital, Badajoz, Spain