Text and Data Mining valid from 2019-01-14
Received: 4 March 2018
Accepted: 5 January 2019
First Online: 14 January 2019
Compliance with ethical standards
: The authors have no conflict of interest to declare.
: The study was approved by the local ethics committee of Pôle Neurosciences of Lariboisière Hospital. This study complied with the ethical standards.
: All patients gave signed consent for the retrospective use of clinical and radiological data.