Received: 12 July 2019
Accepted: 21 January 2020
First Online: 29 January 2020
Change Date: 14 May 2020
Change Type: Correction
Change Details: An amendment to this paper has been published and can be accessed via the original article.
Ethics approval and consent to participate
: Study was approved by the committee of the University medical center Göttingen, Göttingen, Germany: NO 15/2/19.
: Marios Nikos Psychogios is member of the editorial board of BMC Neurology.