Funding for this research was provided by:
Technische Universität München
Received: 17 December 2020
Accepted: 28 July 2021
First Online: 6 August 2021
: All participants provided written informed consent before participating in the study. The Faculty Board of the TUM Germany, which acts as the local ethics committee for studies outside the TUM Faculty of Medicine, approved the study. The study was conducted in accordance with the 1964 Helsinki declaration and its later amendments.
: Not applicable.
: The authors declare that they have no competing interests.