Socioeconomic status and risk of cardiovascular disease in 20 low-income, middle-income, and high-income countries: the Prospective Urban Rural Epidemiologic (PURE) study oleh Annika Rosengren, ProfMD, Andrew Smyth, MD, Sumathy Rangarajan, MSc, Chinthanie Ramasundarahettige, MSc, Shrikant I Bangdiwala, PhD, Khalid F AlHabib, ProfMD, Alvaro Avezum, ProfMD, Kristina Bengtsson Boström, ProfMD, Jephat Chifamba, ProfDPhil, Sadi Gulec, MD, Rajeev Gupta, ProfPhD, Ehi U Igumbor, PhD, Romaina Iqbal, PhD, Norhassim Ismail, ProfMD, Philip Joseph, MD, Manmeet Kaur, MD, Rasha Khatib, PhD, Iolanthé M Kruger, PhD, Pablo Lamelas, MD, Fernando Lanas, ProfMD, Scott A Lear, ProfPhD, Wei Li, ProfPhD, Chuangshi Wang, MSc, Deren Quiang, MSc, Yang Wang, MSc, Patricio Lopez-Jaramillo, ProfMD, Noushin Mohammadifard, PhD, Viswanathan Mohan, ProfMD, Prem K Mony, MD, Paul Poirier, ProfMD, Sarojiniamma Srilatha, MD, Andrzej Szuba, ProfMD, Koon Teo, ProfPhD, Andreas Wielgosz, ProfMD, Karen E Yeates, MD, Khalid Yusoff, ProfMD, Rita Yusuf, ProfPhD, Afzalhusein H Yusufali, MD, Marjan W Attaei, PhD, Martin McKee, ProfDSc, Salim Yusuf, ProfDPhil