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At all follow-up sessions, football athletes (FBA) exhibited significantly (p < 0.001) greater spatial extents of substantial changes in FA and MD, in ROIALT, than did noncollision athletes (NCA). Box-and-whisker plots are presented at each follow-up session for (A) ‖roi_ΔFAALT,j,i‖; (B) ‖roi_ΔMDALT,j,i‖.
