[1] 12 Octubre Univ Hosp, Dept Dermatol, Madrid, Spain
[2] Germans Trias & Pujol Univ Hosp, Dept Dermatol, Barcelona, Spain
[3] Celgene Corp, Dept Econ, Madrid, Spain
[4] Pharmacoecon & Outcomes Res Iberia, Madrid, Spain
[5] Celgene Corp, Warren, NJ USA