1. School of Public Health and Department of Clinical Epidemiology Pediatric Translational Medicine Institute Shanghai Children's Medical Center Shanghai Jiaotong University School of Medicine Shanghai China
2. Jiading District Dental Hospital Shanghai China
3. Department of Dentistry Shanghai Children's Medical Center Shanghai Jiaotong University School of Medicine Shanghai China
4. Center of Biostatistics and Bioinformatics University of Mississippi Medical Center Jackson MSUSA