Funding for this research was provided by:
Forsknings- och utvecklingsstyrelsen för Göteborg och Södra Bohuslän
Swedish state under the agreement between the Swedish government and the county councils (725241)
Received: 19 January 2021
Accepted: 23 April 2021
First Online: 12 May 2021
: Written informed consent was obtained. Confidentiality was maintained in all aspects of participation, and code numbers were used instead of names on all recorded data. The study was approved by the Swedish Ethical Review Authority, Dnr 535–18.
: Not applicibar. The manuscript involves no individual person’s data.
: The authors declare that they have no competing interests.