1. National Center for Atmospheric Research, Boulder, CO, USA.
2. Met Office Hadley Centre, Exeter, UK.
3. Deutsches Zentrum für Luft- und Raumfahrt (DLR), Institut für Physik der Atmosphäre, Oberpfaffenhofen, Germany.
4. University of Bremen, Institute of Environmental Physics (IUP), Bremen, Germany.
5. Canadian Centre for Modelling and Analysis, Environment and Climate Change Canada, Victoria, Canada.
6. University of Arizona, Tucson, AZ, USA.
7. PCMDI, Livermore, CA, USA.