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ACKNOWLEDGMENTS V.; Howard, J. H. Age‐related differences in multiple
This work was supported by the National Institutes measures of white matter integrity: a diffusion tensor
of Health/National Institute of Neurological Disorders imaging study of healthy aging. Hum. Brain Mapp.
31(3):378-390; 2010.
and Stroke grant numbers R01 NS052470 and R01 12. Berlot, R.; Metzler-Baddeley, C.; Jones, D. K.;
NS039538 and the National Institutes of Health/ O’Sullivan, M. J. CSF contamination contributes to
National Institute of Mental Health grant number apparent microstructural alterations in mild cognitive
R21 MH105822. Recruitment database searches were impairment. Neuroimage 92:27-35; 2014.
supported in part by the National Institutes of Health/ 13. Bottomley, P. A.; Foster, T. H.; Argersinger, R. E.;
National Center for Research Resources grant number Pfeifer, L. M. A review of normal tissue hydrogen
UL1 TR000448. The authors declare no conflicts of NMR relaxation times and relaxation mechanisms
interest. from 1–100 MHz: dependence on tissue type, NMR
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