1. Department of Epidemiology and Biostatistics Injury Prevention Research Institute School of Public Health, Southeast University Nanjing China
2. Shanghai Center for Disease Control and Prevention Shanghai China
3. Yixing Center for Disease Control and Prevention Yixing China
4. Key Laboratory of Environmental Medicine Engineering, Ministry of Education School of Public Health, Southeast University Nanjing China
5. Department of Psychology Colorado State University Fort Collins Colorado USA
6. Center for Injury Research and Policy and Center for Pediatric Trauma Research The Research Institute at Nationwide Children's HospitalThe Ohio State University College of Medicine Columbus Ohio USA