1. Department of Community and Population Health, College of Health, Lehigh University, Bethlehem, Pennsylvania 18015, United States
2. Environmental and Occupational Health Sciences Institute, Rutgers University, Piscataway, New Jersey 08854, United States
3. International Centre for Indoor Environment and Energy, Technical University of Denmark, Lyngby 2800 Kgs, Denmark
4. Department of Environmental Sciences and Engineering, Gillings School of Global Public Health, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, United States
5. Department of Pulmonary Medicine, Shanghai Chest Hospital, Shanghai Jiao Tong University, Shanghai 200052, China
6. Department of Building Science, Tsinghua University, Beijing 100190, China
7. Department of Civil and Environmental Engineering, Duke University, Durham, North Carolina 27708, United States
8. Underwriters Laboratories, Inc, Marietta, Georgia 30067, United States
9. Nicholas School of the Environment & Duke Global Health Institute, Duke University, Durham, North Carolina 27708, United States
10. Duke Kunshan University, Kunshan, Jiangsu Province 215316, China