1. Department of Oral and Maxillofacial-Head and Neck Oncology, Ninth People's Hospital, College of Stomatology, Shanghai Jiao Tong University School of Medicine, China
2. Department of Thoracic/Head and Neck Medical Oncology, University of Texas MD Anderson Cancer Center, Houston, TX, USA
3. National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD, USA
4. Department of Oral Pathology, Ninth People's Hospital, College of Stomatology, Shanghai Jiao Tong University School of Medicine, China
5. Department of Biostatistics, University of Texas MD Anderson Cancer Center, Houston, TX, USA
6. Department of Head and Neck Surgery, University of Texas MD Anderson Cancer Center, Houston, TX, USA