[1] Hosp Univ Principe Asturias, Dept Endocrinol & Nutr, Madrid, Spain
[2] Hosp La Paloma, Dept Cirugia, Unidad Pie Diabet, Las Palmas Gran Canaria, Spain
[3] Univ Complutense Madrid, Clin Univ Podol, Unidad Pie Diabet, Madrid, Spain
[4] Hosp Univ Carlos Haya, Dept Endocrinol & Nutr, Malaga, Spain
[5] Hosp Badalona Germans Trias & Pujol, Dept Endocrinol & Nutr, Barcelona, Spain
[6] Ctr Salud Mansilla de las Mulas, Med Familia & Comunitaria, Leon, Spain
[7] Hosp Univ Clin San Carlos, Dept Endocrinol & Nutr, Madrid, Spain
[8] Hosp Gen Cataluna, Dept Endocrinol & Nutr, Sant Cugat Del Valles, Spain
[9] Ctr Salud Fuentes Norte, Med Familia & Comunitaria, Zaragoza, Spain
[10] Hosp Univ Cruces, Dept Angiol & Cirugia Vasc, Baracaldo, Spain