[1] Univ Toulouse, INSERM, Infin U1291, CHU Toulouse, Toulouse, France
[2] Natl & Kapodistrian Univ Athens, Andreas Sygros Hosp, Dept Dermatol & Venerol 1, Athens, Greece
[3] Erasmus MC, Dept Dermatol, Rotterdam, Netherlands
[4] Univ Verona, Dept Med, Sect Dermatol & Venereol, Verona, Italy
[5] Carol Davila Univ Med & Pharm, Colentina Clin Hosp, Dept Pediat Dermatol, Bucharest, Romania
[6] Univ Tubingen, Dept Dermatol, Tubingen, Germany
[7] EMMA, Patients Prior, Fontenay Sous Bois, France
[8] Ist Dermopat Immacolata IDI IRCCS, Rome, Italy
[9] Papageorgiou Hosp, Aristotle Sch Med, Dept Dermatol & Venerol 2, Thessaloniki, Greece
[10] Univ Autonoma Barcelona, Hosp Santa Creu & St Pau, Dept Dermatol, Barcelona, Spain
[11] Aix Marseille Univ, Univ Hosp Timone, APHM, Res Ctr Hlth Serv & Qual Life,Dept Dermatol,CEReSS, Marseille, France
[12] Ist Dermopat Immacolata IDI IRCCS, Via Monti Creta 104, I-00167 Rome, Italy