1. Department of Dermatology and Department of Biostatistics, Epidemiology, and Informatics Center for Clinical Sciences in Dermatology University of Pennsylvania Perelman School of Medicine Philadelphia Pennsylvania USA
2. Leon H. Charney Division of Cardiology, Department of Medicine NYU Grossman School of Medicine New York New York USA
3. Ronald O. Perelman Department of Dermatology NYU Grossman School of Medicine New York New York USA