1. University of Michigan Medical School, Ann Arbor
2. Now with Bobby R. Alford Department of Otolaryngology–Head and Neck Surgery, Baylor College of Medicine, Houston, Texas
3. Department of Otolaryngology–Head and Neck Surgery, University of Michigan, Ann Arbor
4. Endocrine Section, VA Ann Arbor Healthcare System, Ann Arbor, Michigan
5. Department of Surgery, University of Michigan, Ann Arbor
6. Center for Healthcare Outcomes and Policy, University of Michigan, Ann Arbor