1. Department of Dermatology Hospital Universitari de Bellvitge, IDIBELL, University of Barcelona L'Hospitalet de Llobregat Spain
2. Department of Hematology Institut Catalá d'Oncologia, Hospital Duran i Reynals, Institut d'Investigacio Biomedica de Bellvitge Barcelona Spain
3. Banc de Sang i Teixits Hospital Universitari de Bellvitge, IDIBELL, University of Barcelona L'Hospitalet de Llobregat Spain