1 Stony Brook University School of Medicine, Stony Brook, NY, U.S.A.
2 University of Florida College of Medicine, Gainesville, FL, U.S.A.
3 Clinical Laboratory for Epidemiology and Applied Research in Skin (CLEARS), Department of Dermatology, Beth Israel Deaconess Medical Center, 375 Longwood Avenue, Boston, MA, 02215, U.S.A.