1. Department of Environmental Sciences & Engineering, Rosenau CB#7431, School of Public Health, University of North Carolina at Chapel Hill, Chapel Hill North Carolina, 27599, USA
2. Manchester Business School, University of Manchester, Manchester, UK
3. Department of Civil & Environmental Engineering & Woods Institute for the Environment, Stanford University, Terman Engineering M-21, Stanford CA, 94305-4020, USA
4. Department of Forestry and Natural Resources, Purdue University, 195 Marsteller Street, West Lafayette Indiana, 47907-2093, USA
5. Institute of Social Studies, Kortenaerkade 12, The Hague 2518, AX, The Netherlands
6. WaterPartners International, 2405 Grand Blvd., Ste. 860, Box 12, Kansas City MO, 64108, USA
7. The World Bank, 1818 H Street, NW, Washington DC, 20433, USA