1. Department of Otolaryngology–Head & Neck Surgery, University of Iowa Hospitals and Clinics, Iowa City
2. Department of Pediatrics, Tulane University School of Medicine, New Orleans, Louisiana
3. Division of Endocrinology and Metabolism, Department of Medicine, Tulane University School of Medicine, New Orleans, Louisiana
4. Department of Biostatistics and Bioinformatics, Tulane University School of Public Health and Tropical Medicine, New Orleans, Louisiana
5. Division of Endocrine and Oncological Surgery, Department of Surgery, Tulane University School of Medicine, New Orleans, Louisiana
6. Department of Pathology, Tulane University School of Medicine, New Orleans, Louisiana