A cluster randomized controlled trial to evaluate the effects of a community health worker based approach to promote cardiovascular risk factor control in India: study design and rationale - Aditya Khetan; Raghunandan Purushothaman; Melissa Zullo; Rishab Gupta; Sushil Agarwal; Sri Krishna Madan Mohan; Richard Josephson (Ubiquity Press, 2016)