1. Institute of Geography, Climatology and Meteorology and National Centre of Competence in Research on Climate (NCCR Climate); University of Bern; Bern Switzerland
2. Institute for Atmospheric and Climate Science; Eidgenössische Technische Hochschule, ETH Zurich; Zurich Switzerland
3. Institute for Coastal Research; GKSS-Research Center; Geesthacht Germany
4. Met Office, Hadley Centre (Reading Unit); University of Reading; Reading UK
5. Climate and Environmental Physics, Physics Institute; University of Bern; Bern Switzerland