1. Department of Oral and Maxillofacial Surgery, Central Laboratory, Peking University School and Hospital of Stomatology, Beijing 100081, China
2. Laboratory of Biomaterials and Regenerative Medicine, Academy for Advanced Interdisciplinary Studies, Peking University, Beijing 100871, China
3. College of Engineering, Peking University, Beijing 100871, China
4. Institute of Molecular Medicine, Peking University, Beijing 100871, China
5. Department of Stomatology, the Affiliated Hospital of Xuzhou Medical University, Xuzhou 221004, China