Bhaskaran Krishnan, Smeeth Liam, Evans Stephen
Department of Noncommunicable Diseases Epidemiology, London School of Hygiene and Tropical Medicine, London, United Kingdom.
Medical Statistics Department, London School of Hygiene and Tropical Medicine, London, United Kingdom.
JAMA. 2016 Jun 28;315(24):2730. doi: 10.1001/jama.2016.4108.