1. Department of Civil and Environmental Engineering, Virginia Tech, Blacksburg, Virginia 24060, United States
2. Department of Environmental Sciences and Engineering, Gillings School of Global Public Health, The University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, United States
3. Office of Research and Development, U.S. EPA, Research Triangle Park, North Carolina 27711, United States
4. Department of Building Science, Tsinghua University, Beijing 100084, China
5. School of Environmental Science and Engineering, Sun Yat-sen University, Guangzhou, Guangdong 510006, China
6. Environmental and Occupational Health Sciences Institute, Rutgers University, Piscataway, New Jersey 08854, United States
7. International Centre for Indoor Environment and Energy, Department of Civil Engineering, Technical University of Denmark, Lyngby 2800, Denmark
8. Fraunhofer WKI, Department of Material Analysis and Indoor Chemistry, Braunschweig 38108, Germany
9. Institute for Atmospheric and Earth System Research (INAR), University of Helsinki, Helsinki 00014, Finland
10. University of Paris-Est, Scientific and Technical Center for Building (CSTB), French Indoor Air Quality Observatory (OQAI), Champs sur Marne 77447, France
11. Laboratoire des Sciences de l’Ingénieur pour l’Environnement - LaSIE, Université de La Rochelle, La Rochelle 77447, France
12. Engineering Lab, National Institute of Standards and Technology, Gaithersburg, Maryland 20899, United States
13. National Institute for Public Health and the Environment, Center for Safety of Substances and Products, Bilthoven 3720, The Netherlands
14. Quantitative Sustainability Assessment, Department of Technology, Management and Economics, Technical University of Denmark, Kgs. Lyngby 2800, Denmark
15. Department of Environmental Health Sciences, School of Public Health, University of Michigan, Ann Arbor, Michigan 48109, United States
16. Department of Earth and Environmental Sciences, University of Texas at Arlington, Arlington, Texas 76019, United States
17. Department of Earth Sciences, University of Toronto, Toronto, Ontario M5S 3B1, Canada
18. Department of Chemistry, University of California, Irvine, California 92697, United States
19. Department of Atmospheric and Oceanic Sciences, McGill University, Montreal, Quebec H3A0B9, Canada
20. Center for Air Resources Engineering and Science, Clarkson University, Potsdam, New York 13699-5708, United States
21. Department of Public Health Sciences, University of Rochester School of Medicine and Dentistry, Rochester, New York 14642, United States
22. Federal Office of Public Health, Berne 3003, Switzerland