Funding for this research was provided by:
Greta och Johan Kocks stiftelser
Received: 1 December 2019
Accepted: 24 June 2020
First Online: 29 June 2020
Ethics approval and consent to participate
: This study was approved by the local ethics committee in Lund (Dnr 2016/880).
: not applicable.
: The authors declare that they have no competing interests.