1. Thoracic/Head and Neck Cancers Specialty Section, MD Anderson Cancer Center, Orlando, Fla.
2. Department of Otolaryngology–Head and Neck Surgery, Louisiana State University Health Sciences Center, Shreveport.
3. Department of Nuclear Medicine, Louisiana State University Health Sciences Center, Shreveport.
4. Department of Biometry, Louisiana State University Health Sciences Center, Shreveport.