xnattagger is a command line tool that adds tags to the note field of MR Session scans on XNAT. Tagging the
scans is a necessary precursor to running the anatqc, t2qc and dwiqc pipelines.
xnat_tagger.py --alias 'xnat alias' --target 'modality (t1, t2, dwi, all)' session 'MRsession label'