1. Medical Research and Biometrics Center Fuwai Hospital National Center for Cardiovascular Diseases Peking Union Medical College Chinese Academy of Medical Sciences Beijing China
2. School of Public Health and Hebei Province Key Laboratory of Occupational Health and Safety for Coal Industry North China University of Science and Technology Tangshan Hebei Province China
3. Epidemiology and Biostatistics University of California‐San Francisco San Francisco CA USA
4. Internal Medicine University of California, Davis School of Medicine Sacramento CA USA
5. Department of Rehabilitation Medicine The University of Kansas Kansas City KS USA