1. Healthcare expenditure, public (% of GDP). World Bank data. [Accessed 2015 Aug 3] Available from: http://data.worldbank.org/indicator/SH.XPD.PUBL.ZS.
2. Healthcare expenditure, total (% of GDP). World Bank data. [Accessed 2015 Aug 3] Available from: http://data.worldbank.org/indicator/SH.XPD.TOTL.ZS.
3. GDP per capita (current international $). World Bank data. [Accessed 2015 Aug 3] Available from: http://data.worldbank.org/indicator/NY.GDP.PCAP.CD.
4. Abraham G, Varghese S, Thandavan T, Iyengar A, Mathew M, Naqvi SAJ, Sheriff R, Ur-Rashid H, Gopalakrishnan N, Gupta KL. CKD in South Asia. NDT Newsletter 2015; Available from: http://www.era-edta.org/newsletter_ndt_southasia_update.html.
5. What do we know about chronic kidney disease in India: first report of the Indian CKD registry