Ageno W, Di Minno MND, Ay C, Jang MJu, Hansen J-B, Steffen LM, Vaya A, Rattazzi M, Pabinger I, Oh D, et al. Association between the metabolic syndrome, its individual components, and unprovoked venous thromboembolism: results of a patient-level meta-analysis. Arterioscler Thromb Vasc Biol. 2014  ;34(11):2478-85.