Hsu FC, Raffield LM, Hugenschmidt CE, Cox A, Xu J, Carr JJ, Freedman BI, Maldjian JA, Williamson JD, Bowden DW. Relationships between Cognitive Performance, Neuroimaging and Vascular Disease: The DHS-MIND Study. Neuroepidemiology. 2015; 45(1):1-11.