1. Department of Oral Biology, Fourth Military Medical University, Xi'an, Shaanxi, China.
2. Department of Laboratory Animal Center, Fourth Military Medical University, Xi'an, Shaanxi, China.
3. Department of Oral Maxillofacial Surgery, Fourth Military Medical University, Xi'an, Shaanxi, China.
4. Department of Periodontology and Oral Medicine, Fourth Military Medical University, Xi'an, Shaanxi, China.
5. Department of Translational Research Team, School of Stomatology, Fourth Military Medical University, Xi'an, Shaanxi, China.