Funding for this research was provided by:
Region Halland
Article History
Received: 20 January 2019
Accepted: 26 June 2019
First Online: 23 July 2019
Compliance with ethical standards
:
: No conflicts of interest were reported by the authors.
: The study was approved by the Regional Ethical Review Board in Lund.
: Written informed consent was obtained from the custodians.