Funding for this research was provided by:
Medical Products Agency
Article History
Received: 8 March 2018
Revised: 18 May 2018
Accepted: 29 May 2018
First Online: 19 June 2018
Compliance with Ethical Standards
: The STRIDA project is conducted in accordance with the Helsinki Declaration, and it has been approved by the regional ethical review board (Nr. 2013/116–31/2).
: The authors declare that they have no conflicts of interest.
: None.