Funding for this research was provided by:
Stiftelsen för Strategisk Forskning (grant SBE 13-0086)
Västra Götalandsregionen (grant ALFGBG-429901)
Article History
Received: 4 January 2018
Revised: 1 February 2018
Accepted: 2 February 2018
First Online: 9 February 2018
Compliance with ethical standards
:
: None of the authors report any conflicts of interest with regard to the present study.