[1] Hosp Clin Barcelona, Dept Endocrinol & Nutr, Diabet Unit, Barcelona, Spain
[2] Hosp St Joan Deu, Endocrinol Serv, Diabet Unit, Esplugas de Llobregat, Barcelona, Spain
[3] Univ Barcelona, Sch Nursing, Barcelona, Spain
[4] Hosp Clin Barcelona, Dept Endocrinol & Nutr, Diabet Unit, Villarroel 170, Barcelona 08036, Spain