Snaebjörnsson, Thorkell http://orcid.org/0000-0001-8198-0204
Svantesson, Eleonor http://orcid.org/0000-0002-6669-5277
Sundemo, David http://orcid.org/0000-0002-5871-1636
Westin, Olof http://orcid.org/0000-0002-8416-8905
Sansone, Mikael
Engebretsen, Lars http://orcid.org/0000-0003-2294-921X
Hamrin-Senorski, Eric http://orcid.org/0000-0002-9340-0147
Article History
Received: 22 December 2018
Accepted: 11 March 2019
First Online: 16 March 2019
Compliance with ethical standards
:
: Thorkell Snaebjörnsson has received research support from Gothenburg Medical Association. Lars Engebretsen has received fellowship and research support from Smith and Nephew, and fellowship and research support from Arthrex. All other authors declare no conflicts of interest.
: The regional ethical review board in Stockholm, Sweden, approved the research (ID 2011/337-31/3).