Automated global deterministic tractography was performed according to standard protocols. First, diffusion-weighted images were preprocessed using the dtiInit preprocessing pipeline wrapper from Stanford open-source VISTASOFT package version 1.0 (
https://github.com/vistalab/vistasoft) running on MATLAB version 8.6.0 (R2015b) (Math-Works Inc., Natick, MA). The diffusion-weighted images were corrected for eddy currents and head motion, skull-stripped, and tensor fitted.