enh: insert @tsalo's comments to accommodate BEP012
enh: insert @tsalo's comments to accommodate BEP012

See: https://github.com/nipreps/niworkflows/pull/507#discussion_r418069455

poldracklab/niworkflows,oesteban/niworkflows,oesteban/niworkflows,oesteban/niworkflows,poldracklab/niworkflows