1. School of Energy and Environmental Engineering University of Science and Technology Beijing China
2. College of Urban and Environmental Sciences Peking university Beijing China
3. National Institute for Nutrition and Health Chinese Center for Disease Control and Prevention Beijing China
4. BIC‐ESAT and SKL‐ESPC College of Environmental Science and Engineering Peking university Beijing China
5. Biostatistics and Computational Biology Branch National Institute of Environmental Health Sciences Durham NC USA
6. Department of Environmental Health Sciences Yale School of Public Health Yale University New Haven CT USA