1. World Health Organization. Cardiovacular diseases (CVDs). 2017. https://www.who.int/news-room/fact-sheets/detail/cardiovascular-diseases-(cvds).
2. American Heart Assocation. Cardiovascular disease: a costly burden for America, projections through 2035. CVD Burden Report. 2017. https://healthmetrics.heart.org/wp-content/uploads/2017/10/Cardiovascular-Disease-A-Costly-Burden.pdf. Accessed February 29, 2018.