[1] Hop Univ Strasbourg, Dermatol Clin, Strasbourg, France
[2] Hop St Louis, Assistance Publ Hop Paris, Unite Immunohematol, Paris, France
[3] CHU Hotel Dieu, Serv Dermatol, Nantes, France
[4] CHU Hotel Dieu, Serv Med Interne, Nantes, France
[5] Hop Cochin, Assistance Publ Hop Paris, Serv Med Interne, Paris, France
[6] Hop Univ Strasbourg, Serv Rhumatol, Strasbourg, France
[7] Hop Tenon, Assistance Publ Hop Paris, Serv Med Interne, Paris, France
[8] Ctr Hosp, Serv Med Interne, Niort, France
[9] Univ Bari, Sect Hematol Transplantat, Dept Emergency & Organ Transplantat, Bari, Italy
[10] Ctr Hosp, Serv Med Interne, Dax, France
[11] Ctr Hosp, Serv Med Interne, Valenciennes, France
[12] CHU Besancon, Serv Dermatol, Besancon, France
[13] CHU St Eloi, Serv Dermatol, Montpellier, France
[14] Hop Instruct Armees St Anne, Serv Dermatol, Toulon, France
[15] CHU Timone, Serv Med Interne Genatrie & Therapeut, Marseille, France
[16] Univ Genoa, Dept Dermatol, Genoa, Italy
[17] Hop Univ Strasbourg, Serv Sante Publ, Strasbourg, France