Funding for this research was provided by:
Local Hospital funds
ALF Region Östergötland
Received: 28 April 2020
Accepted: 24 June 2020
First Online: 25 July 2020
Ethics approval and consent to participate
: The study was approved by the regional ethical review board in Linköping (Dnr 2014/236–31) and confirms with The Code of Ethics of the World Medical Association (Declaration of Helsinki), printed in the British Medical Journal (18 July 1964). A written informed consent was obtained from the patients’ closest relative upon inclusion into the study.
: In accordance with the study approval by the regional ethical review board in Linköping consent for publication was obtained from the included patients.
: The authors declare that they have no competing interests.