1. Department of Otolaryngology–Head & Neck Surgery, Vanderbilt Bill Wilkerson Center, Vanderbilt University, Nashville, Tennessee
2. Division of Metabolism, Endocrinology & Diabetes, Department of Internal Medicine, University of Michigan, Ann Arbor
3. Department of Endocrinology, The Ohio State University, Columbus
4. Department of Radiology, University of Michigan, Ann Arbor
5. Department of Preventive Medicine, Keck School of Medicine, University of Southern California, Los Angeles
6. Department of Epidemiology, Rollins School of Public Health, Emory University, Atlanta, Georgia