1. Center for Tissue Engineering, State Key Laboratory of Military Stomatology, Fourth Military Medical University, Xi’an, China
2. Department of Orthodontics, State Key Laboratory of Military Stomatology, Fourth Military Medical University, Xi’an, China
3. Xi’an Institute of Tissue Engineering and Regenerative Medicine, Xi’an, China
4. Department of Oral and Maxillofacial Surgery, School of Stomatology, Fourth Military Medical University, Xi’an, China
5. Department of Operative Dentistry and Endodontics, School of Stomatology, Fourth Military Medical University, Xi’an, China