1. PMOD/WRC; Davos Switzerland
2. IAC ETH; Zurich Switzerland
3. LAP AUTh; Thessaloniki Greece
4. MPS; Göttingen Germany
5. NCAS Climate; University of Cambridge; Cambridge UK
6. RSHU; Saint Petersburg Russia
7. CAO; Moscow Russia
8. MPIC; Mainz Germany
9. LATMOS-IPSL; UVSQ, UPMC; Paris France
10. National Centre for Earth Observation, School of Earth and Environment; University of Leeds; Leeds UK
11. Grantham Institute; Imperial College London; London UK