1 School of Social Sciences, Bangor University, Bangor, Gwynedd, LL57 2DG, UK. Electronic address: [email protected].
2 School of Health and Related Research (ScHARR), Regent Court, 30 Regent Street, Sheffield S1 4DA, UK.
3 Spatial Epidemiology & Evaluation Research Group/Centre for Population Health Research, University of South Australia, South Australia Health & Medical Research Institute, 8th Floor Office 310, North Terrace, Adelaide SA 510 Australia.
4 Department of Health Sciences, Faculty of Science, University of York, Seebohm Rowntree Building, Heslington York YO10 5DD, UK.
5 European Centre for Environment & Human Health, University of Exeter Medical School, Knowledge Spa, Royal Cornwall Hospital, Truro, Cornwall, UK.
6 Methodology of Educational Sciences Research Group, Faculty of Psychology and Educational Sciences, KU Leuven, Leuven, Belgium.
7 The University of East London, Stratford Campus, Water Lane, London, UK.
8 Global Health Unit | Norwegian Knowledge Centre for the Health Services at the Norwegian Institute of Public Health, and Health Systems Research Unit, South African Medical Research Council, Cape Town, South Africa.
9 Department of Family Medicine, Faculty of Medicine, Pontificia Universidad Católica de Chile, Lira 44. Edificio Decanato, Primer Piso, Santiago, Chile.
10 UCL Institute of Education, University College London, 20 Bedford Way, London, UK.