1. Shandong Provincial Key Laboratory of Oral Tissue Regeneration, Shandong University School of Stomatology, Jinan, China.
2. Department of Prosthodontics, Shandong University School of Stomatology, Jinan, China.
3. The Second Hospital of Anhui Medical University, Hefei, China.
4. Affiliated Stomatology Hospital, Zhejiang University School of Medicine, Hangzhou, China.
5. Department of Oral and Maxillofacial-Head Neck Oncology, Ninth People's Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China.