- Correspondence to Dr Zsolt Kulcsár, Service of Diagnostic and Interventional Neuroradiology, Geneva University Hospitals, Gabrielle-Perret Gentil 5, Geneva 1211, Switzerland;
- Received October 8, 2015
- Revised December 19, 2015
- Accepted December 22, 2015
- First published January 20, 2016.
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