1. Department of Environmental Science, Policy and Management University of California Berkeley CA USA
2. Atmospheric, Earth and Energy Division Lawrence Livermore National Laboratory Livermore CA USA
3. Meteorology and Air Quality Section Wageningen University The Netherlands
4. Department of Land, Air and Water Resources University of California Davis CA USA
5. Stanford Woods Institute for the Environment Stanford University Standford California USA
6. Department of Meteorology and Atmospheric Science Penn State College of Earth and Mineral Sciences University Park PA USA
7. Department of Chemical and Biomolecular Engineering The Ohio State University Columbus OH USA