Received: 22 March 2020
Accepted: 28 September 2020
First Online: 14 October 2020
Ethics approval and consent to participate
: The database was approved by the OUH - Data Protection Officer (PVO) (approval no 2014/12304).. The present study, which is based on data extracted from this quality database, was approved by OUH-PVO, and consent was waived by our Institutional Review Board (approval no 18/02167).
: Not applicable.
: The authors declare that they have no competing interests.