1. European Commission (2014).
http://ec.europa.eu/digital-agenda/en/news/mhealth-what-it-infographic
2. Centre for Medicare and Medicaid Services (CMS), NHE Fact Sheet 2012.
http://www.cms.gov/Research-Statistics-Data-and-Systems/Statistics-Trends-and-Reports/NationalHealthExpendData/NHE-Fact-Sheet.html
3. OECD, Health at a Glance 2013 (2013) ISBN 978-92-64-205024
4. The World Bank (2013) Health expenditure, total (% of GDP).
http://data.worldbank.org/indicator/SH.XPD.TOTL.ZS
5. Le Deu F, Parekh R, Zhang F, Zhou G (2012) Healthcare in China: entering ‘uncharted waters’. McKinsey, New York