Funding for this research was provided by:
Bundesministerium der Verteidigung
Fraunhofer-Institut für Kommunikation, Informationsverarbeitung und Ergonomie FKIE
Received: 27 September 2021
Accepted: 29 December 2021
First Online: 7 January 2022
: The authors have no relevant financial or non-financial interests to disclose.
: The research protocol was approved by the institutional ethics board (HSD Hochschule Döpfer University of Applied Sciences) and was conducted in accordance with the Declaration of Helsinki.
: Informed consent was obtained from all individual participants included in the study.