1. Durham University; Department of Geography; Wolfson Research Institute Queen's Campus Stockton-on-Tees Teesside UK TS17 6BH
2. University of Montreal; Social and Preventive Medicine; Pavillon 1420 boul. Mont-Royal, 1420, Boul. Mont-Royal Montreal Quebec Canada H2V 4P3
3. Newcastle University; Institute of Health and Society; William Leech Building The Medical School Newcastle Tyne and Wear UK NE2 4HH