[1] Charite, Div Evidence Based Med, Dermatol Klin, Berlin, Germany
[2] Nantes Univ Hosp, Dept Dermatocancerolgy, Hotel Dieu, Nantes, France
[3] Univ Ferrara, Dept Clin & Expt Med, Dermatol Sect, Ferrara, Italy
[4] Univ Zagreb, Dept Dermatol, Sch Med, Zagreb, Croatia
[5] Cardiff Univ, Dept Dermatol & Wound Healing, Sch Med, Cardiff, S Glam, Wales
[6] Univ Copenhagen, Dept Dermatol, Bispebjerg Hosp, Copenhagen, Denmark
[7] Univ Antwerp, Univ Antwerp Hosp, Antwerp, Belgium
[8] Harrogate & Dist Fdn Trust, Dept Dermatol, Harrogate, N Yorkshire, England
[9] Aarhus Univ, Aarhus, Denmark
[10] Alcorcon Univ Hosp Fdn, Dept Dermatol, Madrid, Spain
[11] Goethe Univ Frankfurt, Dept Dermatol & Venereol, Frankfurt, Germany
[12] Karolinska Inst, Dept Lab Med, Karolinska Univ Hosp Huddinge, Stockholm, Sweden
[13] Diagnostiskt Ctr Hud, Stockholm, Sweden
[14] Univ Magdeburg, Dept Dermatol & Venereol, Magdeburg, Germany