1 UKPRP SPECTRUM Consortium and School of Social and Political Science, University of Edinburgh, Edinburgh EH8 9LD, UK. Electronic address: rob.ralston@ed.ac.uk.
2 Center for International Environmental Law, Washington, DC, USA; Center for International Environmental Law, Geneva, Switzerland.
3 ACT Health Promotion, São Paulo, Brazil.
4 School of Physical and Occupational Therapy, McGill University, Montreal, QC, Canada.
5 UKPRP SPECTRUM Consortium and School of Social and Political Science, University of Edinburgh, Edinburgh EH8 9LD, UK.