1. Environmental Chemistry and Technology Program, University of Wisconsin-Madison, Madison, Wisconsin 53706, United States
2. Department of Epidemiology, Biostatistics, and Occupational Health, McGill University, Montreal, Quebec H3A 1A3, Canada
3. Department of Civil and Environmental Engineering, Colorado State University, Fort Collins, Colorado 80523, United States
4. MRC Centre for Environment and Health, Department of Epidemiology, Biostatics, and Occupational Health, School of Public Health, Imperial College London, London W2 1PG, U.K.
5. Department of Analytical, Environmental, and Forensic Sciences, Kings College London, London SE1 9NH, U.K.
6. Clinical Research Institute, Peking University, Beijing 100191, China
7. Department of Building Science, Tsinghua University, Beijing 100084, China
8. Fuwai Hospital, Chinese Academy of Medical Sciences, and Peking Union Medical College, Beijing 100037, China
9. Institute for Health and Social Policy, McGill University, Montreal, Quebec H3A 1A3, Canada
10. Wisconsin State Laboratory of Hygiene, University of Wisconsin-Madison, Madison, Wisconsin 53718, United States