Dermatol Surg 2016 May;42(5):653-62
*Department of Medicine, Section of Dermatology, West Virginia University, Morgantown, West Virginia; †University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania; ‡Department of Radiation Oncology, University of Pittsburgh Cancer Institute, Pittsburgh, Pennsylvania; §Department of Epidemiology, Epidemiology Data Center, University of Pittsburgh Graduate School of Public Health, Pittsburgh, Pennsylvania.