1. International Institute for Applied Systems Analysis (IIASA) Wittgenstein Centre for Demography and Global Human Capital (IIASA, VID/OeAW, University of Vienna) Laxenburg Austria
2. Vienna Institute of Demography (OeAW) Wittgenstein Centre for Demography and Global Human Capital (IIASA, VID/OeAW, University of Vienna) Vienna Austria
3. Potsdam Institute for Climate Impact Research (PIK) Potsdam Germany
4. German Council on Foreign Relations (DGAP) Berlin Germany