(enh) add header to RMS FD file and integrate into confounds
(enh) add header to RMS FD file and integrate into confounds

oesteban/fmriprep,poldracklab/preprocessing-workflow,poldracklab/fmriprep,oesteban/fmriprep,poldracklab/preprocessing-workflow,poldracklab/fmriprep,oesteban/fmriprep,poldracklab/fmriprep