Funding for this research was provided by:
Johannes Gutenberg-Universität Mainz
Received: 25 November 2020
Accepted: 25 August 2021
First Online: 3 September 2021
: The study was approved by the local ethic committee of Rhineland-Palatinate (registration number: 2020–14952) and was conducted in accordance with the protocol and in compliance with the moral, ethical and scientific principles governing clinical research as set out in the Declaration of Helsinki of 1975 as revised in 1983. Informed consent was obtained from all individual participants included in the study.
: Not applicable.
: The authors declare that they have no competing interests.