Code: http://github.com/nipy/nipype/blob/master/nipype/workflows/misc/utils.py#L14
Code: http://github.com/nipy/nipype/blob/master/nipype/workflows/misc/utils.py#L4
Code: http://github.com/nipy/nipype/blob/master/nipype/workflows/misc/utils.py#L57
Code: http://github.com/nipy/nipype/blob/master/nipype/workflows/misc/utils.py#L44
Code: http://github.com/nipy/nipype/blob/master/nipype/workflows/misc/utils.py#L30
Code: http://github.com/nipy/nipype/blob/master/nipype/workflows/misc/utils.py#L37