[1] Northwestern Univ, Feinberg Sch Med, Dept Dermatol, Chicago, IL 60611 USA
[2] SUNY Stony Brook, Ctr Canc, Dept Med, Div Med Oncol, Stony Brook, NY 11794 USA
[3] Inst Gustave Roussy, Dermatol Unit, Villejuif, France
[4] Beth Israel Deaconess Med Ctr, Div Hematol Oncol, Boston, MA 02215 USA
[5] NCI, Dermatol Branch, NIH, Bethesda, MD 20892 USA
[6] Univ Tubingen, Dept Dermatol, Tubingen, Germany
[7] Univ Kiel, Dept Dermatol, D-2300 Kiel, Germany
[8] Vanderbilt Ingram Canc Ctr, Div Hematol Oncol, Nashville, TN USA
[9] Penn State Coll Med, Hershey, PA USA
[10] Cleveland Clin, Taussig Canc Ctr, Cleveland, OH 44106 USA
[11] New York Med Coll, Ctr Comprehens Canc, Our Lady Mercy Med Ctr, Bronx, NY USA