1. Department of Public Health, Arcadia University, Brubaker Hall, 450 S Easton Road, Glenside, PA 19038, USA
2. Department of Health and Education, Coventry University, Ashburn Road, Off Valley Road, Scarborough, YO11 2JW, UK
3. Department of Community Medicine and Primary Healthcare, College of Medicine and Health Sciences, Bingham University, Abuja-Keffi Express Way, PMB 005, Karu, Nasarawa State, Nigeria
4. School of International Development and Global Studies, Faculty of Social Sciences, University of Ottawa, 120 rue Université privée, Ottawa, ON K1N 6N5, Canada
5. The George Institute for Global Health, Imperial College London, 84 Wood Lane, London W12 0BZ, UK