Affiliation: | a Departments of Dermatology, Columbia University Medical Center, Irving Cancer Research Center, New York, NY 10032, USA b Departments of Dermatology, University of Alabama at Birmingham, VH 509 1530 3rd Ave. S Birmingham, AL 35294, USA c Departments of Dermatology, Division of Cancer Prevention, National Cancer Institute, Bethesda, MD 20892, USA |