Author
Peter C Lombardo, MD Associate Clinical Professor, Department of Dermatology, Columbia University College of Physicians and Surgeons; Private Practice, Sutton Place Dermatology, PC
Peter C Lombardo, MD is a member of the following medical societies: American Academy of Dermatology, American Medical Association, Dermatologic Society of Greater New York, New York Academy of Medicine, New York State Society of Dermatology and Dermatological Surgery
Disclosure: Nothing to disclose.
Specialty Editor Board
Richard P Vinson, MD Assistant Clinical Professor, Department of Dermatology, Texas Tech University Health Sciences Center, Paul L Foster School of Medicine; Consulting Staff, Mountain View Dermatology, PA
Richard P Vinson, MD is a member of the following medical societies: American Academy of Dermatology, Texas Medical Association, Association of Military Dermatologists, Texas Dermatological Society
Disclosure: Nothing to disclose.
Van Perry, MD Assistant Professor, Department of Medicine, Division of Dermatology, University of Texas School of Medicine at San Antonio
Van Perry, MD is a member of the following medical societies: American Academy of Dermatology
Disclosure: Nothing to disclose.
Chief Editor
Dirk M Elston, MD Professor and Chairman, Department of Dermatology and Dermatologic Surgery, Medical University of South Carolina College of Medicine
Dirk M Elston, MD is a member of the following medical societies: American Academy of Dermatology
Disclosure: Nothing to disclose.
Additional Contributors
Gregory J Raugi, MD, PhD Professor, Department of Internal Medicine, Division of Dermatology, University of Washington at Seattle School of Medicine; Chief, Dermatology Section, Primary and Specialty Care Service, Veterans Administration Medical Center of Seattle
Gregory J Raugi, MD, PhD is a member of the following medical societies: American Academy of Dermatology
Disclosure: Nothing to disclose.
Acknowledgements
The authors and editors of Medscape Reference gratefully acknowledge the contributions of previous Chief Editor, William D. James, MD, to the development and writing of this article.