1. Department of Geophysics; University of Oslo; Norway
2. Dipartimento di Fisica; Università de L'Aquila, Coppito; L'Aquila Italy
3. Earth System Science Department; University of California at Irvine; Irvine California USA
4. Max-Planck-Institut für Meteorologie; Hamburg Germany
5. Joint Research Centre; Climate Change Unit; Ispra Italy
6. UK Met Office, Climate Research Division; Berks UK
7. Institut Pierre Simon Laplace; Gif-sur-Yvette France
8. Geophysical Fluid Dynamics Laboratory, NOAA; Princeton University; Princeton New Jersey USA
9. Department of Earth and Planetary Sciences; Harvard University; Cambridge Massachusetts USA
10. Chemistry Department; Cambridge University; Cambridge UK
11. IASB; Brussels Belgium
12. Institute for Meteorology; University of Edinburgh; Edinburgh UK
13. Royal Netherlands Meteorological Institute (KNMI); De Bilt Netherlands
14. Frontier Research System for Global Change; Yokohama Japan