Åhman, Rasmus
Siverhall, Pontus Forsberg
Snygg, Johan
Fredrikson, Mats
Enlund, Gunnar
Björnström, Karin
Chew, Michelle S.
Article History
Received: 28 June 2018
Accepted: 6 October 2018
First Online: 24 October 2018
Competing Interests
: G.E., J.S. and M.S.C. are members of the executive board of SPOR. Remaining authors R.Å., P.F.S., K.B. and M.F. declare no conflict of interest.