Funding for this research was provided by:
Fondation de ma vie
Received: 23 October 2020
Accepted: 6 April 2021
First Online: 17 April 2021
: The study is in accordance with the Declaration of Helsinki and was approved by the Ethics Review Board of the <i>Centre intégré universitaire de santé et de services sociaux du Saguenay-Lac-Saint-Jean</i> (Quebec, Canada). Written informed consent was obtained from all participants.
: Not applicable.
: BG has acted as consultant for Aventis Pharma and Biogen Idec. CG has received an investigator driven grant from Biogen Idec and IONIS.