1. Department of Oral Maxillofacial‑Head and Neck Oncology, Shanghai Ninth People's Hospital, College of Stomatology, Shanghai Jiao Tong University School of Medicine, National Clinical Research Center for Oral Disease, Shanghai Key Laboratory of Stomatology and Shanghai Research Institute of Stomatology, Shanghai 200011, P.R. China
2. Department of Pathology, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA