Author
Loretta S Davis, MD Professor and Chair, Department of Dermatology, Medical College of Georgia, Augusta University
Loretta S Davis, MD is a member of the following medical societies: American Academy of Dermatology
Disclosure: Nothing to disclose.
Specialty Editor Board
David F Butler, MD Former Section Chief of Dermatology, Central Texas Veterans Healthcare System; Professor of Dermatology, Texas A&M University College of Medicine; Founding Chair, Department of Dermatology, Scott and White Clinic
David F Butler, MD is a member of the following medical societies: Alpha Omega Alpha, American Academy of Dermatology, Association of Military Dermatologists, Phi Beta Kappa, Texas Dermatological Society
Disclosure: Nothing to disclose.
Lester F Libow, MD Dermatopathologist, South Texas Dermatopathology Laboratory
Lester F Libow, MD is a member of the following medical societies: American Academy of Dermatology, American Society of Dermatopathology, Texas Medical Association
Disclosure: Nothing to disclose.
Chief Editor
William D James, MD Paul R Gross Professor of Dermatology, Vice-Chairman, Residency Program Director, Department of Dermatology, University of Pennsylvania School of Medicine
William D James, MD is a member of the following medical societies: American Academy of Dermatology, Society for Investigative Dermatology
Disclosure: Received income in an amount equal to or greater than $250 from: Elsevier; WebMD<br/>Served as a speaker for various universities, dermatology societies, and dermatology departments.
Additional Contributors
Donald Belsito, MD Professor of Clinical Dermatology, Department of Dermatology, Columbia University Medical Center
Donald Belsito, MD is a member of the following medical societies: New York County Medical Society, Noah Worcester Dermatological Society, Phi Beta Kappa, American Contact Dermatitis Society, Dermatology Foundation, Dermatologic Society of Greater New York, Alpha Omega Alpha, American Academy of Dermatology
Disclosure: Nothing to disclose.
Acknowledgements
The authors and editors of Medscape Reference gratefully acknowledge the contributions of previous author, Carmen Mays, MD, to the development and writing of this article.