1. Department of EpidemiologySchool of Public Health, Nantong University Nantong China
2. Department of EpidemiologyFielding School of Public Health, University of California Los Angeles Los Angeles CA USA
3. Jiangsu Provincial Key Laboratory of Geriatrics, Department of Geriatricsthe First Affiliated Hospital with Nanjing Medical University Nanjing China
4. Department of Occupational HealthCenter for Disease Control and Prevention of Wuxi Wuxi China
5. Department of Oncologythe Sixth People's Hospital of Nantong Nantong China
6. Collaborative Research CenterShanghai University of Medicine and Health Sciences Shanghai China
7. Department of GastroenterologyAffiliated Hospital of Nantong University Nantong China
8. Institute of Occupational Disease PreventionJiangsu Provincial Center for Disease Control and Prevention Nanjing China