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 Stomatology The Affiliated Huai'an No.1 People's Hospital of Nanjing Medical University Huai'an China
3. Department of Otolaryngology—Head & Neck Surgery Geisinger Medical Center Danville Pennsylvania USA