1. Department of Stomatology, AnTing Campus, The Third Affiliated Hospital of Naval Military Medical University, Shanghai 200438, P.R. China
2. Department of Radiotherapy, AnTing Campus, The Third Affiliated Hospital of Naval Military Medical University, Shanghai 201805, P.R. China
3. Outpatient Department, ChangHai Road Campus, The Third Affiliated Hospital of Naval Military Medical University, Shanghai 200438, P.R. China