1. Department of Dermatology Yale School of Medicine New Haven Connecticut USA
2. Department of Dermatology Hofstra/Northwell Donald and Barbara Zucker School of Medicine New Hyde Park New York USA
3. State University of New York Downstate College of Medicine Brooklyn New York USA
4. Department of Dermatology, Columbia University New York New York USA
5. Department of Pathology and Laboratory Medicine Weill Cornell Medicine of Cornell University New York New York USA