- Correspondence to Dr Lise R Øie, Department of Neurology, St Olavs hospital, Trondheim University Hospital, Trondheim 7006, Norway;
- Received September 3, 2019
- Revised March 17, 2020
- Accepted March 17, 2020
- First published March 26, 2020.
If you wish to reuse any or all of this article please use the link below which will take you to the Copyright Clearance Center’s RightsLink service. You will be able to get a quick price and instant permission to reuse the content in many different ways.