Endothelial dysfunction and low-grade inflammation are associated with greater arterial stiffness over a 6-year period - van Bussel, B C; Schouten, F; Henry, R M; Schalkwijk, C G; de Boer, M R; Ferreira, I; Smulders, Y M; Twisk, J W; Stehouwer, C D (Hypertension, 2011)