1. Department of Psychological and Brain Sciences, University of Louisville, Louisville, Kentucky, USA
2. Lexington VA Medical Center, Lexington, Kentucky, USA
3. VA VISN 17 Center of Excellence for Research on Returning War Veterans, Waco, Texas, USA
4. Department of Otolaryngology-Head and Neck Surgery and Communicative Disorders, University of Louisville School of Medicine, Louisville, Kentucky, USA
5. James Graham Brown Cancer Center, Louisville, Kentucky, USA
6. Cancer Prevention and Control Program, Fox Chase Cancer Center, Philadelphia, Pennsylvania, USA