[1] Mataro Hosp, Endocrinol Unit, Barcelona, Spain
[2] Univ Autonoma Barcelona, Hosp Germans Trias & Pujol, Clin Biochem Serv, E-08193 Barcelona, Spain
[3] Univ Autonoma Barcelona, Endocrinol & Nutr Serv, Dept Med, Hosp Germans Trias & Pujol, Badalona 08916, Spain
[4] Hosp Clin Barcelona, Hemotherapy & Hemostasis Serv, Barcelona, Spain