1. Key Laboratory of Environmental Medicine Engineering, Department of Epidemiology and Health Statistics, School of Public Health, Southeast University, Nanjing 210009, China
2. Department of Ultrasound Diagnostic, Children’s Hospital of Nanjing Medical University, Nanjing 210008, China
3. Department of General Practice, Southeast University Hospital, Nanjing 210018, China
4. Department of Hematology and Oncology, Children’s Hospital of Nanjing Medical University, Nanjing 210008, China
5. Department of Clinical Research, Children’s Hospital of Nanjing Medical University, Nanjing 210008, China