Received: 7 November 2019
Accepted: 22 July 2020
First Online: 31 July 2020
Ethics approval and consent to participate
: The database used in the analysis was approved by the internal ethics committee of the Albert Schweitzer Hospital. Approval for re-using the data from a previous study for the purpose of the current analysis was granted by the ethics committee of the faculty Behavioural, Management and Social Sciences of the University of Twente (approval number 18128).
: Not applicable.
: The authors declare that they have no competing interests.