1. Medical College Hubei University of Arts and Science Xiangyang Hubei China
2. Department of Epidemiology and Biostatistics Ministry of Education Key Laboratory of Environment and Health School of Public Health Tongji Medical College Huazhong University of Science and Technology Wuhan Hubei China
3. Department of Cancer Control Shenzhen Center for Chronic Disease Control Shenzhen Guangdong China
4. Department of Thoracic Surgery Tongji Hospital Tongji Medical College Huazhong University of Science and Technology Wuhan Hubei China