allow for N number of fibers per voxel
allow for N number of fibers per voxel

pearsonlab/nipype,pearsonlab/nipype,pearsonlab/nipype,FCP-INDI/nipype,carolFrohlich/nipype,gerddie/nipype,gerddie/nipype,dgellis90/nipype,mick-d/nipype,glatard/nipype,blakedewey/nipype,FCP-INDI/nipype,pearsonlab/nipype,wanderine/nipype,mick-d/nipype,wanderine/nipype,sgiavasis/nipype,sgiavasis/nipype,mick-d/nipype,iglpdc/nipype,sgiavasis/nipype,carolFrohlich/nipype,wanderine/nipype,blakedewey/nipype,carolFrohlich/nipype,FCP-INDI/nipype,glatard/nipype,glatard/nipype,mick-d/nipype,gerddie/nipype,FCP-INDI/nipype,gerddie/nipype,carolFrohlich/nipype,dgellis90/nipype,dgellis90/nipype,blakedewey/nipype,iglpdc/nipype,iglpdc/nipype,wanderine/nipype,iglpdc/nipype,glatard/nipype,sgiavasis/nipype,dgellis90/nipype,blakedewey/nipype