[1] Hosp Gen Univ Santa Lucia, Secc Endocrinol & Nutr, Cartagena, Spain
[2] Ctr Salud Jesus Marin, Murcia, Spain
[3] Natl & Kapodistrian Univ Athens, Laiko Gen Hosp, Med Sch, Internal Med Dept, Athens, Greece
[4] Natl & Kapodistrian Univ Athens, Aghia Sophia Childrens Hosp, Dept Pediat 1, Med Sch, Athens, Greece
[5] KAT Gen Hosp, Internal Med Dept, Athens, Greece
[6] Gen Hosp Athens Elpis, Dept Internal Med, Athens, Greece
[7] St Savvas Anticanc Hosp, Breast Surg Clin, Athens, Greece
[8] Ethnikon & Kapodistrian Univ Athens, Aretaieion Univ Hosp, Med Sch Athens, Unit Endocrinol Diabet Mellitus & Metab, Athens, Greece