1. School of Medicine, Emory University, Atlanta, Georgia
2. Southern California Permanente Medical Group, Sinus Institute of Orange County, Mission Viejo, California
3. Department of Otolaryngology, Stanford University, Stanford, California
4. Department of Neurosurgery, Emory University, Atlanta, Georgia
5. Department of Medicine (Endocrinology), Emory University, Atlanta, Georgia
6. Department of Otolaryngology, Emory University, Atlanta, Georgia