Funding for this research was provided by:
Universitätsklinikum Halle (Saale)
Received: 15 March 2021
Accepted: 5 October 2021
First Online: 25 October 2021
: The ethics committee of the Medical Faculty of Martin Luther University of Halle-Wittenberg in Halle (Saale), Germany, approved the study protocol and the information material for informed consent (committee’s reference number 2017–140). Additionally, the federal states’ ethical committees responsible for the medical doctors employed at the participating hospitals approved the conduct of the study. All participants provided informed consent. All methods were carried out in accordance with relevant guidelines and regulations.
: Not applicable.
: The authors have no competing interests.