Received: 10 February 2021
Accepted: 9 March 2021
First Online: 19 April 2021
: The study was conducted according to the guidelines of the Declaration of Helsinki. All cases have given written consent to participate in the study and the study has been approved by the hospital data protection officer at UNN (No 02315). The Regional Committee for Medical and Health Research Ethics ruled that approval was not required for this study.
: All participants have given written consent to publish deidentified results.
: None to disclose.