1. Centre for Cardiovascular Science, University of Edinburgh, Edinburgh, United Kingdom
2. Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing, People’s Republic of China
3. National Institute for Public Health and the Environment, Centre for Environmental Health Research, Bilthoven, the Netherlands
4. Fuwai Hospital and Cardiovascular Institute, Chinese Academy of Medical Sciences, and Peking Medical Union College, Beijing, People’s Republic of China