1 School of Medicine, Eastern Virginia Medical School, Norfolk, Virginia.
2 School of Medicine, University of Illinois at Chicago College of Medicine, Chicago, Illinois.
3 Department of Dermatology, University of Colorado Anschutz Medical Campus, Aurora, Colorado.
4 Department of Dermatology, University of Colorado Anschutz Medical Campus, Aurora, Colorado; Department of Epidemiology, Colorado School of Public Health, University of Colorado Anschutz Medical Campus, Aurora, Colorado; Dermatology Service, United States Department of Veterans Affairs Rocky Mountain Regional Medical Center, Aurora, Colorado. Electronic address: robert.dellavalle@ucdenver.edu.
5 Department of Dermatology, Amsterdam UMC, Academic Medical Center, University of Amsterdam, Amsterdam Public Health, Infection and Immunity, The Netherlands.