1Guadalajara University Hospital, Guadalajara, Spain.
2IDISCAM, Castilla-La Mancha Health Research Institute, Guadalajara, Spain.
3Segovia General Hospital, Segovia, Spain.
4Abbott Diabetes Care, Alameda, California, USA.
5Virgen de la Macarena Hospital, Sevilla, Spain.
6Fuenlabrada University Hospital, Fuenlabrada, Spain.
7Virgen de la Arrixaca University Hospital, Murcia, Spain.
8Puerta de Hierro University Hospital, Madrid, Spain.
9Virgen de la Victoria University Hospital, Málaga, Spain.
10Virgen del Rocio University Hospital, Sevilla, Spain.
11Infanta Sofía University Hospital, San Sebastián De Los Reyes, Spain.
12European University of Madrid, Madrid, Spain.
13Albacete University Hospital Complex, Albacete, Spain.
14Ferrol University Hospital Complex, Ferrol, Spain.
15Valencia University Clinical Hospital, Valencia, Spain.
16Mutua Terrassa University Hospital, Barcelona, Spain.
17Clinic Hospital, Barcelona, Spain.
18CIBERDEM. Biomedical Research Network Center for Diabetes and Associated Metabolic Diseases, Carlos III Health Institute (ISCIII), Madrid, Spain.
19Dr. Balmis University General Hospital, Alicante, Spain.
20ISABIAL. Alicante Institute for Health and Biomedical Research, Alicante, Spain.
21Torrecárdenas University Hospital, Almería, Spain.
22Getafe University Hospital, Getafe, Spain.
23Juan Ramón Jiménez University Hospital, Huelva, Spain.
24La Paz University Hospital, Madrid, Spain.
25Infanta Leonor Hospital, Madrid, Spain.
26Fundación Jiménez Díaz University Hospital, Madrid, Spain.
27Burgos University Hospital, Burgos, Spain.
28Asturias Central University Hospital, Oviedo, Spain.