1. Deutsches Zentrum für Luft- und Raumfahrt; Institut für Physik der Atmosphäre; Oberpfaffenhofen; Germany
2. National Center for Atmospheric Research; Boulder; Colorado; USA
3. National Institute for Environmental Studies; Tsukuba; Japan
4. Bodeker Scientific; Alexandra; New Zealand
5. Department of Meteorology; University of Reading; Reading; UK
6. Science Systems and Applications, Inc.; Lanham; Maryland; USA
7. NASA Goddard Space Flight Center; Greenbelt; Maryland; USA