1. Department of Stomatology People's Hospital Longhua Shenzhen Shenzhen Guangdong China
2. Department of Oral and Maxillofacial Surgery, The Second Xiangya Hospital Central South University Changsha Hunan China
3. Transplantation Center, Third Xiangya Hospital Central South University Changsha Hunan China
4. Institute of Reproductive and Stem Cell Engineering, School of Basic Medical Central South University Changsha Hunan China
5. Department of Stomatology, Xiangya Hospital Central South University Changsha Hunan China
6. Department of Respiration The Second People's Hospital of Hunan Province of Hunan University of Chinese Medicine Changsha Hunan China