1. NASA Goddard Institute for Space Studies New York NY USA
2. Biospheric Sciences Laboratory NASA Goddard Space Flight Center Greenbelt MD USA
3. Now at School of Earth and Environmental Sciences Cardiff University Wales UK
4. Center for Climate Systems Research Columbia University New York NY USA
5. Laboratoire d'Aérologie Université Toulouse III Paul Sabatier/CNRS Toulouse France
6. Laboratoire de Physique de l'Atmosphère et de Mécanique des Fluides Université Félix Houphouët‐Boigny Abidjan Côte d'Ivoire
7. Air Quality Research Division Environment and Climate Change Canada Toronto Canada
8. Now at Climate, Air and Sustainability Netherlands Organization for Applied Scientific Research (TNO) Utrecht The Netherlands
9. Université libre de Bruxelles (ULB) Service de Chimie Quantique et Photophysique Atmospheric Spectroscopy Brussels Belgium