1. The Ronald O. Perelman Department of Dermatology, New York University Grossman School of Medicine, New York, New York
2. University of Chicago Pritzker School of Medicine, Chicago, Illinois
3. Rutgers Robert Wood Johnson Medical School, New Brunswick, New Jersey
4. Howard University College of Medicine, 2041 Georgia Avenue Northwest, Towers Building, Suite 4300, Washington, District of Columbia 20060, USA