1. Drexel University, Department of Civil, Architectural, and Environmental Engineering, Philadelphia, PA, USA
2. University of Iowa, Department of Chemistry, Iowa City, IA, USA
3. International Centre for Integrated Mountain Development, Lalitpur, Nepal
4. Institute for Advanced Sustainability Studies, Potsdam, Germany
5. Emory University, Department of Environmental Sciences, Atlanta, GA, USA
6. University of Montana, Department of Chemistry, Missoula, MT, USA
7. John Hopkins University, Department of Environmental Health and Engineering, Baltimore, MD, USA