Author
Hassan H Ramadan, MD, MSc, FACS, FARS Professor and Chairman, Director of Rhinology and Allergy Center, Department of Otolaryngology-Head and Neck Surgery, Professor, Department of Pediatrics, West Virginia University School of Medicine
Hassan H Ramadan, MD, MSc, FACS, FARS is a member of the following medical societies: American Academy of Otolaryngic Allergy, American Academy of Otolaryngology-Head and Neck Surgery, American College of Surgeons, American Rhinologic Society
Disclosure: Nothing to disclose.
Specialty Editor Board
Francisco Talavera, PharmD, PhD Adjunct Assistant Professor, University of Nebraska Medical Center College of Pharmacy; Editor-in-Chief, Medscape Drug Reference
Disclosure: Received salary from Medscape for employment. for: Medscape.
Ted L Tewfik, MD Professor of Otolaryngology-Head and Neck Surgery, Professor of Pediatric Surgery, McGill University Faculty of Medicine; Senior Staff, Montreal Children's Hospital, Montreal General Hospital, and Royal Victoria Hospital
Ted L Tewfik, MD is a member of the following medical societies: American Society of Pediatric Otolaryngology, Canadian Society of Otolaryngology-Head & Neck Surgery
Disclosure: Nothing to disclose.
Chief Editor
Arlen D Meyers, MD, MBA Emeritus Professor of Otolaryngology, Dentistry, and Engineering, University of Colorado School of Medicine
Arlen D Meyers, MD, MBA is a member of the following medical societies: American Academy of Facial Plastic and Reconstructive Surgery, American Academy of Otolaryngology-Head and Neck Surgery, American Head and Neck Society
Disclosure: Serve(d) as a director, officer, partner, employee, advisor, consultant or trustee for: Cerescan; Neosoma; MI10;<br/>Received income in an amount equal to or greater than $250 from: Neosoma; Cyberionix (CYBX)<br/>Received ownership interest from Cerescan for consulting for: Neosoma, MI10 advisor.
Additional Contributors
Ted L Tewfik, MD Professor of Otolaryngology-Head and Neck Surgery, Professor of Pediatric Surgery, McGill University Faculty of Medicine; Senior Staff, Montreal Children's Hospital, Montreal General Hospital, and Royal Victoria Hospital
Ted L Tewfik, MD is a member of the following medical societies: American Society of Pediatric Otolaryngology, Canadian Society of Otolaryngology-Head & Neck Surgery
Disclosure: Nothing to disclose.
Acknowledgements
The authors and editors of eMedicine gratefully acknowledge the contributions of previous authors Karla R Brown, MD, and Lincoln Lippincott, MD, to the development and writing of this article.