1. Dermatology, Huntsman Cancer Institute & University of Utah Health Sciences Center, Salt Lake City, UT 84112, USA
2. Dermatology, Tufts Medical Center, Boston & Newton Wellesley Hospital, Wellesley, MA 02111, USA
3. Dermatology, Brigham & Women’s Hospital, Harvard Medical School, & Veterans Affairs Boston Healthcare System, Boston, MA 02446, USA
4. Dermatology, Oregon Health & Sciences University & Knight Cancer Institute, Portland, OR 97239, USA
5. Dermatology, MD Anderson Cancer Center, Houston, TX 77030, USA
6. Dermatology, University of Arizona Cancer Center, Tucson, AZ 85719, USA
7. Dermatology, Stanford University Medical Center & Veterans Affairs Palo Alto Health Care System, Palo Alto, CA 94305, USA