1. Department of Oral and Maxillofacial Surgery, Weifang Traditional Chinese Hospital, Weifang, China
2. Department of Plastic and Traumatic Surgery, Beijing Stomatology Hospital, Capital Medical University, Beijing, China
3. Department of Oral and Maxillofacial Surgery, West China Hospital of Stomatology, Sichuan University, Chengdu, China
4. Department of System Integration, Ketr Industry Control Corporation, Weifang, China