1 Sociotechnical Systems Research Center, Massachusetts Institute of Technology, Cambridge, MA 02139, USA. nashford@mit.edu.
2 Bauman Foundation, Washington, DC 20009, USA.
3 Department of International Development, Community, and Environment, Clark University, Worcester, MA 01610, USA.
4 Boston University School of Public Health, Boston, MA 02118, USA. University of Massachusetts, Lowell, MA 01854, USA.
5 Penn Program on Regulation, University of Pennsylvania Law School, Philadelphia, PA 19104, USA. Department of Environmental Health Sciences, University of Michigan School of Public Health, Ann Arbor, MI 48109, USA.
6 Institute of Environment, Health, and Societies, Brunel University, London, SW11 6HT, UK.
7 The George Perkins Marsh Institute, Clark University, Worcester, MA 01610, USA.
8 World Health Organization-Regional Office for Europe, European Centre for Environment and Health, 53113 Bonn, Germany.
9 Epidemiology for Cancer Prevention, Team on HIV, Cancer and Global Health, Inserm U 897-Epidemiology and Biostatistics, Bordeaux Segalen University, 33076 Bordeaux, France.
10 Natural Resources Defense Council, Washington, DC 20005, USA. George Washington University, Washington, DC 20037, USA.