1. Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing 210029, China
2. Department of Oral and Maxillofacial Surgery, Affiliated Hospital of Stomatology, Nanjing Medical University, Nanjing 210029, China
3. Analysis Center, Nanjing Medical University, Nanjing 211166, China
4. Nanjing Stomatological Hospital, Medical School of Nanjing University, Nanjing 210008, China
5. Department of Periodontology, Affiliated Hospital of Stomatology, Nanjing Medical University, Nanjing 210029, China