- Correspondence to Dr Vitor Mendes Pereira, Division of Neuroradiology, Department of Medical Imaging and Division of Neurosurgery, Department of Surgery, Toronto Western Hospital, University Health Network, Toronto, Ontario, Canada;
- Received June 30, 2014
- Revised September 12, 2014
- Accepted September 15, 2014
- First published October 3, 2014.
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