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- Introduce serialization of CellCollection to SONATA format. It is the preferred choice. MVD3 can
be saved/loaded only when the direct file extension `.mvd3` is used.
.. _header: http://teem.sourceforge.net/nrrd/format.html#kinds
.. _ITK-SNAP: http://www.itksnap.org/pmwiki/pmwiki.php
.. _Slicer: https://www.slicer.org/