Stroe and concatenate the dataframes for each tract.
Stroe and concatenate the dataframes for each tract.

yeatmanlab/AFQ-Browser,richford/AFQ-Browser,yeatmanlab/AFQ-Browser,arokem/AFQ-Browser,yeatmanlab/AFQ-viz,yeatmanlab/AFQ-Browser,richford/AFQ-viz,yeatmanlab/AFQ-viz,arokem/AFQ-Browser,richford/AFQ-Browser,arokem/AFQ-Browser,richford/AFQ-Browser,richford/AFQ-viz