1. CICERO Center for International Climate and Environmental Research; Oslo Norway
2. School of Earth and Environment; University of Leeds; Leeds UK
3. Met Office Hadley Centre; Exeter UK
4. Institut Pierre-Simon Laplace; Université Pierre et Marie Curie/CNRS; Paris France
5. Center for Climate Systems Research; Columbia University; New York NY USA
6. NASA Goddard Institute for Space Studies; New York NY USA
7. Norwegian Meteorological Institute; Oslo Norway
8. Department of Physics; Imperial College London; London UK
9. Canadian Centre for Climate Modelling and Analysis; Victoria British Columbia Canada
10. NCAR/UCAR; Boulder CO USA
11. Earth and Ocean Sciences Division; Duke University; Durham NC USA
12. Climate Change Science Section; Kyushu University; Fukuoka Japan