1. Bobby R. Alford Department of Otolaryngology–Head and Neck Surgery Houston Texas USA
2. ENT Section, Operative Care Line Michael E. DeBakey Veterans Affairs Medical Center Houston Texas USA
3. General Surgery Section, Operative Care Line Michael E. DeBakey Veterans Affairs Medical Center Houston Texas USA
4. Anesthesia Section, Operative Care Line Michael E. DeBakey Veterans Affairs Medical Center Houston Texas USA