1 Department of Endocrinology and Nutrition, Consorcio Sanitario Universitario Parc Taulí [Parc Taulí University Healthcare Consortium], Sabadell, Spain.
2 Department of Endocrinology and Nutrition, Complejo Asistencial Universitario de León [León University Healthcare Complex], León, Spain.
3 Department of Endocrinology and Nutrition, Hospital Clínico Universitario Lozano Blesa [Lozano Blesa University Clinical Hospital], Zaragoza, Spain.
4 Department of Endocrinology and Nutrition, Hospital Universitario Puerta de Hierro [Puerta de Hierro University Hospital], Majadahonda, Madrid, Spain.
5 Department of Endocrinology and Nutrition, Hospital Universitario Central de Asturias [Asturias Central University Hospital], Oviedo, Spain.
6 Department of Endocrinology and Nutrition, Hospital de Cabueñes [Cabueñes Hospital], Gijón, Spain.
7 Department of Endocrinology and Nutrition, Complejo Hospitalario Universitario Insular Materno-Infantil [Island Maternal and Child University Hospital Complex], Las Palmas de Gran Canaria, Instituto de Investigaciones Biomédicas y Sanitarias [Institute of Biomedical and Healthcare Research], Universidad de Las Palmas de Gran Canaria [University of Las Palmas de Gran Canaria], Spain. Electronic address: ana.wagner@ulpgc.es.