BUG: register_multimodal: fixed issue #807
BUG: register_multimodal: fixed issue #807

Former-commit-id: 610eddb1caaf1dbcb30e32965b820b1cf6d930ff [formerly eb4dc85f739153d9c2b586f93a3c80c8622f0f8e]
Former-commit-id: 59dc291191c86dba02b9d1324112663008f5b221
Former-commit-id: 1868fcc07868f88adc2727ff5a008f34ad7f6c4d
neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox