Funding for this research was provided by:
CAMLOG Foundation (CF41505)
Received: 20 October 2020
Accepted: 18 March 2021
First Online: 21 May 2021
: The design and protocol of the current study was approved by the ethical committee of the University of Düsseldorf. The current study was performed in accordance with the Declaration of Helsinki.
: Not applicable
: Gordon John, Frank Schwarz, Alexandra Kravchenko, Michelle Alicia Ommerborn, and Jürgen Becker disclose from any financial or non-financial competing interests.