1. Applied Sciences and Technology PhD Program North Carolina A&T State University Greensboro NC USA
2. Department of Chemistry and ISET Center North Carolina A&T State University Greensboro NC USA
3. Earth Systems Research Laboratory National Oceanic and Atmospheric Administration Boulder CO USA
4. Now at Monitoring and Laboratory Division California Air Resources Board Sacramento CA USA
5. Cooperative Institute for Research in Environmental Sciences Boulder CO USA
6. Department of Chemistry University of Colorado Boulder Boulder CO USA
7. Now at Department of Physics and Atmospheric Science Dalhousie University Halifax Nova Scotia Canada
8. National Center for Atmospheric Research Boulder CO USA
9. Department of Atmospheric Sciences University of Washington Seattle WA USA
10. Department of Physics and ISET Center North Carolina A&T State University Greensboro NC USA