1. Institute
on the Environment, University of Minnesota, Saint Paul, Minnesota 55108, United States
2. National Center for Atmospheric Research, Boulder, Colorado 80301, United States
3. Department
of Building Science, Tsinghua University, Beijing 100084, China
4. Institute
for Health and Social Policy and Department of Epidemiology, Biostatistics,
and Occupational Health, McGill University, Montréal, Quebec H3A 1A3, Canada
5. MRC-PHE
Center
for Environment and Health, Department of Epidemiology and Biostatistics,
School of Public Health, Imperial College London, London W2 1PG, U.K.