1. Lincoln International Institute for Rural Health, University of Lincoln , Brayford Pool, Lincoln, Lincolnshire, LN6 7TS , UK
2. School of Health and Social Care, College of Social Science, University of Lincoln , Brayford Pool, Lincoln, Lincolnshire, LN6 7TS , UK
3. School of Pharmacy, University of Waterloo , 10 Victoria St S A, Kitchener, Ontario, N2G 1C5 , Canada
4. Department of Epidemiology and Global Health, Umeå University , Umeå , Sweden
5. School of Public Health Sciences, University of Waterloo , Waterloo, Ontario , Canada
6. Community and Health Research Unit, University of Lincoln , Brayford Pool, Lincoln, Lincolnshire, LN6 7TS , UK