Received: 26 December 2020
Accepted: 12 April 2021
First Online: 29 April 2021
: In accordance with the French legislation, patients for whom clinical and CSF data were generated during routine clinical workup and their relatives were informed that individual data could be used in clinical research studies and they signed a specific consent form (MA-D20-R56 study).
: Not applicable.
: The authors declare that they have no competing interests.