Funding for this research was provided by:
Polizei Hamburg (723815/20)
Universitätsklinikum Hamburg-Eppendorf (UKE)
Received: 11 April 2022
Accepted: 29 August 2022
First Online: 3 September 2022
: The study was conducted in accordance with relevant guidelines and regulations. The study was approved by the Ethics Review Committee of the Hamburg Medical Association, Germany (PV4999 / WF-009/20). All police officers received written information about the purpose and method of the study and those willing to participate provided written consent freely and voluntarily.
: Not applicable.
: All authors declare no competing interests.