- Correspondence to Dr Pierre-Henri Lefevre, Department of Diagnostic and Interventional Neuroradiology, Gui de Chauliac Hospital, Montpellier University Hospital, Montpellier 34000, France;
- Received September 12, 2017
- Revised January 1, 2018
- Accepted January 8, 2018
- First published January 30, 2018.
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