Henricson, Anders http://orcid.org/0000-0003-1380-3649
Wojtowicz, Radek
Nilsson, Kjell G.
Crnalic, Sead
Article History
Received: 25 July 2018
Accepted: 17 October 2018
First Online: 25 October 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: This study was approved by the Ethics Committee of UmeƄ University (Um dns 03-004)