Funding for this research was provided by:
The Research Platform for Collaboration for Health Kristianstad University (28/2017)
Received: 26 May 2019
Accepted: 24 April 2020
First Online: 14 May 2020
Ethics approval and consent to participate
: The present study was approved by The Ethical Review Board, Lund, Sweden. Reference number 2018/849. Since this is a register study, informed consent from the persons in the study was not needed according to the Ethical Review Board. However, in order to give the persons an opportunity to opt out there was an advertisement in the local newspaper about the study which gave the persons in the register the possibility to opt out before data was transferred from the register to the researchers. This opt out procedure was suggested and accepted by the Ethical Review Board.
: Not applicable.
: The authors declare that they have no competing interests.