1. HM Government. Healthy lives, healthy people: our strategy for public health in England. London: HMSO; 2010.
2. Dodge R, Daly A, Huyton J, Sanders L. The challenge of defining wellbeing. Int J Wellbeing. 2012;2:222–35.
3. Yen IH, Michael YL, Perdue L. Neighborhood environment in studies of health of older adults: a systematic review. Am J Prev Med. 2009;37:455–63.
4. Office of National Statistics. Population ageing in the United Kingdom, its constituent countries and the European Union. Office of National Statistics. 2012. http://www.ons.gov.uk/ons/rel/mortality-ageing/focus-on-older-people/population-ageing-in-the-united-kingdom-and-europe/rpt-age-uk-eu.html . Accessed 19 Feb 16.
5. Biggs S, Carr A. Age friendliness, childhood and dementia: toward generationally intelligent environments. In: Moulaert T, Garon S, editors. Age friendly cities and communities in international comparison: Political lessons, scientific avenues and democratic issues. London: Springer Publishing; 2015. p. 259–76.