1. Department of Otolaryngology Head and Neck Surgery, University of Nebraska Medical Center, 981225 Nebraska Medical Center, Omaha, NE, USA
2. College of Medicine, University of Nebraska Medical Center, Omaha, NE, USA
3. Department of Preventive Medicine, Feinberg School of Medicine & Robert H. Lurie Comprehensive Cancer Center, Northwestern University, Chicago, IL, USA
4. Department of Psychiatry and Abramson Cancer Center, University of Pennsylvania, Philadelphia, PA, USA