1. Fondazione Eni Enrico Mattei (FEEM) and Centro Euro-Mediterraneo sui Cambiamenti Climatici (CMCC), 20123 Milan, Italy
2. Potsdam Institute for Climate Impact Research (PIK), D-14473 Potsdam, Germany
3. Pacific Northwest National Laboratory/Joint, Global Change Research Institute (PNNL/JGCRI), 5825 University Research Court, Suite 3500 College Park, MD 20740, USA
4. Fondazione Eni Enrico Mattei (FEEM), 20123 Milan, Italy
5. International Institute for Applied Systems Analysis (IIASA), A-2361 Laxenburg, Austria
6. Energy Research Centre of the Netherlands (ECN), Policy Studies, Radarweg 60, 1043 NT, Amsterdam, The Netherlands
7. Netherlands Environmental Assessment Agency (PBL), 3720 AH Bilthoven, The Netherlands
8. Utrecht University (UU), 3508 TC Utrecht, The Netherlands