1. Air Quality Consultant, Danville, CA, USA
2. Geological Survey of Canada, Natural Resources Canada, Québec, QC, Canada
3. State Key Laboratory of Loess and Quaternary Geology (SKLLQG), Institute of Earth Environment, Chinese Academy of Sciences, Xi’an, Shaanxi Province, People’s Republic of China
4. Desert Research Institute, Reno, NV, USA
5. Canadian Natural Resources Limited, Calgary, Alberta, Canada
6. Integrated Environmental Analytics & Prediction Branch, Alberta Environment and Parks, Edmonton, Alberta, Canada
7. BioSphere Solutions, Calgary, Alberta, Canada
8. Atlantic Forest Research Collaborative, University of New Brunswick, Fredericton, New Brunswick, Canada
9. Bay Area Air Quality Management District, San Francisco, CA, USA