1. What is value in health care;Porter;N. Engl. J. Med,2010
2. Keckly , P. 2015 http://thehealthcareblog.com/blog/2015/12/03/the-meaning-of-value-in-health-care
3. U.S. Department of Health and Human Services 2015 http://www.hhs.gov/about/news/2015/01/26/better-smarter-healthier-in-historic-announcement-hhs-sets-clear-goals-and-timeline-for-shifting-medicare-reimbursements-from-volume-to-value.html
4. National Institutes of Health 2015 https://www.nih.gov/precision-medicine-initiative-cohort-program
5. comScore 2016 https://www.comscore.com/Insights/Rankings/comScore-Reports-December-2015-US-Smartphone-Subscriber-Market-Share