1. State Key Joint Laboratory of Environmental Simulation and Pollution Control, College of Environmental Sciences and Engineering, Peking University, Beijing 100871, China
2. Air Quality Research Division, Environment and Climate Change Canada, Toronto, Ontario M3H 5T4, Canada
3. Flight Research Laboratory, National Research Council Canada Aerospace Research Centre, Ottawa, Ontario K1V 1J8, Canada
4. Pollutant Inventories and Reporting Division, Environment and Climate Change Canada, Gatineau, Québec K1A 0H6, Canada