Funding for this research was provided by:
Vetenskapsrådet (2019-00977)
Forskningsrådet om Hälsa, Arbetsliv och Välfärd (2018-00123)
Article History
Received: 12 May 2020
Revised: 24 July 2020
Accepted: 25 July 2020
First Online: 29 July 2020
Compliance with ethical standards
:
: We declare no competing interests.
: All data used in the present study are publicly available in the original GWAS studies, which obtained appropriate patient consent and ethical approval. Detailed information of used instrumental variables will be assessable upon a reasonable request to corresponding author. Ethical approval for the present MR study was not considered because these de-identified data came from summary statistics and no individual-level data were used. Summary-level genetic data for MS at the discovery stage can be downloaded at the website:.