Author
Gorav Neel Wali, BMBCh, MA, MRCP Consultant Dermatologist, Oxford University Hospitals, UK
Disclosure: Serve(d) as a director, officer, partner, employee, advisor, consultant or trustee for: Abbvie<br/>Received income in an amount equal to or greater than $250 from: Leo, UCB.
Coauthor(s)
Elizabeth J Soilleux, MBBCh, PhD, MA, FRCPath Associate Professor of Pathology, Honorary Senior Clinical Lecturer, NDCLS, Radcliffe Department of Medicine, Oxford University; Consultant Histopathologist, Department of Histopathology, John Radcliffe Hospital, UK
Disclosure: Nothing to disclose.
Susan Cooper, MD, MBChB, FRCP, MRCGP Consultant Dermatologist and Honorary Senior Clinical Lecturer, Department of Dermatology, Churchill Hospital, UK
Susan Cooper, MD, MBChB, FRCP, MRCGP is a member of the following medical societies: Royal College of Physicians
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.
Edward F Chan, MD Clinical Assistant Professor, Department of Dermatology, University of Pennsylvania School of Medicine
Edward F Chan, MD is a member of the following medical societies: American Academy of Dermatology, American Society of Dermatopathology, Society for Investigative 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
Marjan Garmyn, MD, PhD Professor, Faculty of Medicine, Katholieke Universiteit Leuven, Belgium; Chair and Adjunct Head, Department of Dermatology, University of Leuven, Belgium
Disclosure: Nothing to disclose.
Acknowledgements
The authors and editors of Medscape Reference gratefully acknowledge the contributions of previous coauthor, Ravi Ratnavel, MD, to the development and writing of this article.