1. Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling, Hospital of Stomatology, Jilin University, Changchun 130021, P.R. China
2. Department of Radiology, The Second Hospital of Jilin University, Changchun 130041, P.R. China
3. Department of Clinical Veterinary Medicine, College of Veterinary Medicine, Jilin University, Changchun 130062, P.R. China
4. State Key Laboratory of Rare Earth Resources Utilization and Laboratory of Chemical Biology, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, P.R. China