[1] Univ Zurich Hosp, Zurich, Switzerland
[2] Melanoma Inst Australia, Sydney, NSW, Australia
[3] Univ Heidelberg Hosp, Univ Hautklin, Hauttumorzentrum, Heidelberg, Germany
[4] Eberhard Karls Univ Tuebingen, Dept Dermatol, Tubingen, Germany
[5] Univ Texas MD Anderson Canc Ctr, Houston, TX 77030 USA
[6] Univ Duisburg Essen, Univ Hosp, Dept Dermatol, Essen, Germany
[7] Peter MacCallum Canc Ctr, Melbourne, Vic, Australia
[8] Univ Zurich Hosp, Dept Dermatol, Zurich, Switzerland
[9] H Lee Moffitt Canc Ctr & Res Inst, Tampa, FL USA
[10] Beth Israel Deaconess Med Ctr, Boston, MA 02215 USA
[11] Natl Tumour Inst Fdn G Pascale, Naples, Italy
[12] Hannover Med Sch, Skin Canc Ctr Hannover, Hannover, Germany
[13] Netherlands Canc Inst, Amsterdam, Netherlands
[14] Med Univ Vienna, Vienna, Austria
[15] Vanderbilt Univ, Med Ctr, Nashville, TN USA
[16] Univ Klinikum Wurzburg, Wurzburg, Germany
[17] Paracelsus Med Univ, Dept Dermatol, Salzburg, Austria
[18] Gustave Roussy Canc Campus, Villejuif, France
[19] Massachusetts Gen Hosp, Boston, MA 02114 USA