Funding for this research was provided by:
Forskningsrådet i Sydöstra Sverige (753711)
Research and scholarship management in Region Östergötland (756931)
Received: 21 June 2020
Accepted: 1 October 2020
First Online: 15 October 2020
Ethics approval and consent to participate
: The study was approved by the Swedish Ethical Review Authority in Linköping (Dnr. 2017/464–32, Dnr. 2018/409–32. The Medical Ethical Committee of the University Medical Centre Groningen (UMCG) concluded that review was deemed unnecessary and waived from ethics approval (Medisch Ethische Toetsings Commissie METC 2018/169). The participants were informed about the confidential handling of study data, and written informed consent was obtained from all participants.
: Not applicable.
: The authors declare that they have no competing interests.