more debug output to work out issue with effect size not being equal to difference in group DC terms
more debug output to work out issue with effect size not being equal to difference in group DC terms

MRtrix3/mrtrix3,MRtrix3/mrtrix3,MRtrix3/mrtrix3,MRtrix3/mrtrix3,MRtrix3/mrtrix3,MRtrix3/mrtrix3