1 Department of Dermatology, Georgetown University School of Medicine, Washington, DC.
2 Dermatology and Plastic Surgery Institute, Cleveland Clinic, Cleveland, Ohio.
3 Department of Dermatology, Northeastern Ohio Medical University, Rootstown.
4 Department of Clinical Dermatology, Northwestern University Feinberg School of Medicine, Chicago, Illinois.
5 Department of Dermatology, University of Mississippi Medical Center, Jackson6Department of Dermatology, University of Rochester School of Medicine and Dentistry, Rochester, New York.