1. Department of Oral Maxillofacial‐Head Neck Oncology, Ninth People's Hospital Shanghai Jiao Tong University School of Medicine, National Clinical Research Center for Oral Diseases, Shanghai Key Laboratory of Stomatology & Shanghai Research Institute of Stomatology Shanghai China
2. Department of Radiology, Ninth People's Hospital Shanghai Jiao Tong University School of Medicine Shanghai China
3. Department of Otolaryngology—Head & Neck Surgery Geisinger Medical Center Danville Pennsylvania USA