1. Department of Otolaryngology, Washington University School of Medicine, St. Louis, MO 63110
2. Department of Cariology, University of Michigan School of Dentistry Ann, Arbor, MI 48109
3. Department of Otolaryngology, University of Michigan School of Medicine, Ann Arbor, MI 48109
4. Department of Radiation Oncology, University of Michigan School of Medicine, Ann Arbor, MI 48109
5. Department of Oral Medicine/Pathology/Oncology, University of Michigan School of Dentistry, Ann Arbor, MI 48109