1. Ohio State University, Columbus, OH;
2. The Ohio State University Center for Biostatistics, Columbus, OH;
3. The Ohio State Univ, Powell, OH;
4. The Ohio State Univ Med Ctr, Columbus, OH;
5. The Ohio State University, Columbus, OH;
6. The Ohio State University and The Comprehensive Cancer Center, Columbus, OH;
7. Ohio State University Medical Center, Columbus, OH;
8. Cancer Therapy Evaluation Program, National Cancer Institute, National Institutes of Health, Bethesda, MD;
9. Harvard Department of Otolaryngology, Boston, MA;
10. Arthur G. James Cancer Hospital, The Ohio State University Wexner Medical Center, Columbus, OH;