[1] Univ Autonoma Barcelona, Univ Hosp Germans Trial & Pujol, Dept Dermatol, Badalona, Spain
[2] Univ Autonoma Barcelona, Univ Hosp Germans Trial & Pujol, Dept Pathol, Badalona, Spain
[3] Univ Autonoma Barcelona, Univ Hosp Germans Trias & Pujol, Dept Internal Med, Badalona, Spain