1. Department of E.N.T, Weifang People’s Hospital, Weifang, China
2. Department of Stomatology, Weifang People’s Hospital, Weifang, Shandong, China
3. Department of General Surgery, Weifang People’s Hospital, Weifang, China
4. Department of Hematology, Weifang People’s Hospital, Weifang, Shandong, China
5. Weifang Medical University, Weifang People’s Hospital, Weifang, Shandong, China
6. Department of Oral and Maxillofacial Surgery, Weifang People’s Hospital, Weifang, China