1 Rocky Vista University College of Osteopathic Medicine, Parker, Colorado.
2 Department of Dermatology, HCA Healthcare/USF Morsani College of Medicine GME Programs, Largo Medical Center, Largo, Florida.
3 Division of Dermatology, Lehigh Valley Health Network, Allentown, Pennsylvania.
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, US Department of Veterans Affairs Rocky Mountain Regional Medical Center, Aurora, Colorado. Electronic address: robert.dellavalle@ucdenver.edu.