1. Department of Epidemiology and Biostatistics, West China School of Public Health and West China Fourth Hospital Sichuan University Chengdu Sichuan China
2. Department of Epidemiology and Biostatistics, Ministry of Education Key Laboratory of Environment and Health and State Key Laboratory of Environmental Health (incubation) School of Public Health, Tongji Medical College, Huazhong University of Science and Technology Wuhan Hubei China
3. Centre for Big Data Research in Health University of New South Wales Sydney New South Wales Australia
4. Department of Orthopedics, West China Hospital Sichuan University Chengdu Sichuan China
5. The George Institute for Global Health University of New South Wales Sydney New South Wales Australia
6. Division of Epidemiology, Department of Medicine Vanderbilt University Medical Center Nashville Tennessee USA
7. The Ministry of Education ‐ Shanghai Key Laboratory of Children's Environmental Health, Xinhua Hospital Shanghai Jiao Tong University School of Medicine Shanghai China