1. WHO. Why urban health matters. New York, NY: World Health Organization; 2010.
2. WHO. Hidden Cities: unmasking and Overcoming Health Inequities in Urban Settings. Geneva-Kobe: World Health Organization; 2010. http://www.who.int/kobe_centre/publications/hiddencities_media/who_un_habitat_hidden_cities_web.pdf?ua=1 . Accessed 23 Jan 2016
3. Leon DA. Cities, urbanization and health. Int J Epidemiol. 2008; 37(1): 4–8.
4. Harpham T, Molyneux C. Urban health in developing countries: a review. Prog Dev Stud. 2001; 1(2): 113–137.
5. United Nations Department of Social and Economic Affairs, Population Division. World Urbanization Prospects: the 2014 Revision, Highlights. New York; 2014. Available at: http://esa.un.org/unpd/wup/Highlights/WUP2014-Highlights.pdf . Accessed 23 Jan 2016.