[1] St Louis Hosp, Dept Dermatol, F-75010 Paris, France
[2] Genentech Inc, San Francisco, CA 94080 USA
[3] Hosp Civils Lyon, Pierre Benite, France
[4] Univ Lille, Ctr Hosp Reg Univ Lille, Lille, France
[5] Hop Ambroise Pare, Boulogne Billancourt, France
[6] Aix Marseille Univ, Dermatol & Skin Canc Dept, UMR911 CRO2 Hop Timone, Marseille, France
[7] Hop St Iouis, Paris, France
[8] CHU Montpellier, Montpellier, France
[9] Gustave Roussy Canc Campus, Villejuif, France
[10] Univ Paris Sud, Villejuif, France
[11] Inst Univ Canc, Toulouse, France
[12] Nantes Univ Hosp, Dermato Cancerol Dept, Nantes, France
[13] Reims Univ Hosp, Reims, France
[14] CHU Bordeaux, Hop St Andre, Bordeaux, France
[15] Univ Nantes, Nantes, France