1. World Health Organisation (2018). Global recommendations on physical activity for health. http://www.who.int/dietphysicalactivity/factsheet_recommendations/en/. Accessed 24 Mar 2020.
2. Public Health England: Health matters: getting every adult active every day. https://www.gov.uk/government/publications/health-matters-getting-every-adult-active-every-day/health-matters-getting-every-adult-active-every-day (2016). Accessed 24 Mar 2020.
3. Priest N, Armstrong R, Doyle J, Waters E. Interventions implemented through sporting organisations for increasing participation in sport. Cochrane Database Syst Rev. 2008;16:3.
4. Deloitte (2018). European Health and Fitness Report 2018. http://www.who.int/dietphysicalactivity/factsheet_recommendations/en/. Accessed 24 Mar 2020.
5. The European Commission (2014). Becoming the hub: the health and fitness sector and the future of health enhancing physical activity. http://eose.eu/wp-content/uploads/2014/03/HUB_THE-FINAL-REPORT.pdf . Accessed 24 Mar 2020.