Funding for this research was provided by:
Medicinska Fakulteten, Lunds Universitet (n/a)
Received: 12 June 2019
Accepted: 10 February 2020
First Online: 18 February 2020
Ethics approval and consent to participate
: The Regional Ethical Review Board in Lund (Dnr 2011/258) approved the trial. All patients were informed about the trial and a written consent was obtained.
: Not applicable.
: The authors declare that they have no competing interests.