[1] Eberhard Karls Univ Tuebingen, Dept Dermatol, Ctr Dermatooncol, Tubingen, Germany
[2] Fdn Policlin Univ A Gemelli IRCCS, Dermatol, Rome, Italy
[3] Univ Cattolica Sacro Cuore, Dermatol, Rome, Italy
[4] Natl & Kapodestrian Univ Athens, Andreas Sygros Hosp, Dept Dermatol Venereol 1, Athens, Greece
[5] Carol Davila Univ Med & Pharm, Univ Hosp Elias, Dept Oncol Dermatol, Bucharest, Romania
[6] Univ Kiel, Dept Dermatol, Kiel, Germany
[7] Charles Univ Prague, Univ Hosp Kralovske Vinohrady, Fac Med 3, Dept Dermatovenereol, Prague, Czech Republic
[8] Vilnius Univ, Ctr Dermatovenereol, Clin Infect Dis & Dermatovenereol, Fac Med, Vilnius, Lithuania
[9] Univ Libre Bruxelles, Erasme Hosp, Dermatol Dept, Brussels, Belgium
[10] West Herts NHS Trust, Dermatol Dept, London, England
[11] Kings Coll London, Twin Res & Genet Epidemiol Dept, London, England
[12] Univ Hosp Tours, Dept Dermatol, Tours, France
[13] European Inst Oncol IRCCS, Dept Expt Oncol, Mol & Pharmacoepidemiol Unit, IEO, Milan, Italy
[14] Univ Paris Saclay, Ambroise Pare Hosp, APHP, Dept Gen & Oncol Dermatol, Boulogne, France
[15] Univ Paris Saclay, Biomarkers Cancerol & Hematooncol, UVSQ, EA 4340, Boulogne, France
[16] Univ Hosp Tubingen, Dept Dermatol, Tubingen, Germany
[17] Aristotle Univ Thessaloniki, Med Sch, Dermatol Dept 1, Thessaloniki, Greece
[18] Univ Trieste, Dept Dermatol, Trieste, Italy
[19] St Louis Hosp, AP HP, Dept Dermatol, Paris, France
[20] Aix Marseille Univ, Timone Hosp, Marseille, France
[21] Med Univ Vienna, Dept Dermatol, Vienna, Austria
[22] Gustave Roussy Canc Campus, Dept Canc Med, Villejuif, France
[23] Paris Saclay Univ, Le Kremlin Bicetre, France
[24] Univ Nantes, CHU Nantes, Dept Dermatolocancerol, CRCINA,CIC 1413, Nantes, France
[25] Univ Def, Mil Med Acad, Dept Dermatol, Fac Med, Belgrade, Serbia
[26] Univ Hosp Frankfurt, Dept Dermatol Venerol & Allergol, Frankfurt, Germany
[27] Univ Barcelona, Hosp Clin Barcelona, Dermatol Dept, Barcelona, Spain
[28] ISCIII, Biomed Res Networking Ctr Rarae Dis CIBERER, Inst Invest Biomed August Pi & Sunyer IDIBAPS, Barcelona, Spain
[29] Univ Turin, Dept Med Sci, Dermatol Clin, Turin, Italy
[30] Natl & Kapodistrian Univ Athens, ATTIKON Hosp, Dept Dermatol Venereol 2, Athens, Greece
[31] Univ Osnabrueck, Dept Dermatol, Environm Med, Hlth Theory, Osnabruck, Germany
[32] Aristotle Univ Thessaloniki, Papageorgiou Hosp, Dept Dermatol Venerol 2, Thessaloniki, Greece
[33] Colentina Clin Hosp, Pediat Dermatol Discipline, Dermatooncol Res Facil, Bucharest, Romania
[34] Univ Hosp Bern, Dept Dermatol, Inselspital, Bern, Switzerland
[35] Univ Zagreb, Univ Hosp Ctr Zagreb, Dept Dermatol & Venereol, Sch Med, Zagreb, Croatia
[36] Univ Hosp Heidelberg, Dept Dermatol, Heidelberg, Germany
[37] Univ Modena & Reggio Emilia, DermoLab, Dermatol, Modena, Italy
[38] Toulouse Univ, Dept Dermatol, Toulouse, France