Funding for this research was provided by:
This project received financial support from Region Zealand Health Research Foundation and Naestved, Slagelse and Ringsted Hospitals Research Fund.
Received: 6 October 2020
Accepted: 22 March 2021
First Online: 1 April 2021
: The study was reported to The Danish Data Protection Agency (REG-105-2017). The study was on the 16th of May 2017 defined as a quality project by the Secretariat of The Committee on Health Research Ethics of Region Zealand which acts as an Institutional Review Board. The project was therefore not covered by Committee Act and was not obligated to report for the ethic committee system, and exemption from obtaining informed consent from participants was granted in accordance with the Act on Research Ethics Review of Health Research Projects (in Danish: Komiteloven), section 10 (1). Administrative permission to access the data was acquired from the Head of Slagelse Hospital Administration.
: Not applicable.
: The authors declare that they have no competing interests.