1. Department of Otolaryngology – Head & Neck Surgery University of Alabama at Birmingham Birmingham Alabama USA
2. Liverpool Head and Neck Centre Aintree University Hospital, University of Liverpool Liverpool UK
3. Department of Biomedical Engineering University of Alabama at Birmingham Birmingham Alabama USA
4. Department of Radiology University of Alabama at Birmingham Birmingham Alabama USA
5. O'Neal Comprehensive Cancer Center University of Alabama at Birmingham Birmingham Alabama USA
6. Department of Otolaryngology – Head & Neck Surgery Stanford University Stanford California USA