1. Institute of Stomatology & Oral Maxilla Facial Key Laboratory, Chinese PLA General Hospital, No. 28 Fuxing Road, Beijing 100853, China
2. The Second Department of Naval Recuperation, First District of Recuperation, Armed Police Yantai Special Service Center, No. 191 Huanshan Road, Zhifu District, Yantai, Shandong Province 264000, China
3. State Key Laboratory of Military Stomatology, School of Stomatology, The Fourth Military Medical University, Xi’an, Shaanxi Province 710032, China
4. Department of Orthodontics, School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University & Shandong Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, No. 44-1 Wenhua Road West, Jinan, Shandong Province 250012, China
5. Department of Stomatology, No.960 Hospital of PLA, No. 25 Shifan Road, Jinan, Shandong Province 250000, China
6. Department of Stomatology, Qingdao Municipal Hospital Group, Qingdao University, Qingdao, Shandong Province 266011, China