Funding for this research was provided by:
Czech Science Foundation (16-07879S)
Ministerstvo Zdravotnictví Ceské Republiky (15-25602A)
Ulla-Carin Lindquist ALS-Foundation (1234)
Magnus Bergvalls Stiftelse (1234)
Innlandet Hospital Trust, Norway (1234)
Article History
Received: 20 June 2018
Accepted: 11 July 2018
First Online: 20 July 2018
Compliance with ethical standards
:
: The authors declare no conflicts of interest.