1. NASA Ames Research Center Moffett Field CA USA
2. Deutches Zentrum für Luft‐ und Raumfahrt Oberpfaffenhofen Germany
3. NASA Langley Research Center Hampton VA USA
4. Spec, Inc. Boulder CO USA
5. NOAA Earth System Research Laboratory and Cooperative Institute for Research in Environmental Science Boulder CO USA
6. Chemical Sciences DivisionNOAA Earth System Research Laboratory Boulder CO USA