Article History
Received: 30 June 2020
Accepted: 28 July 2020
First Online: 17 September 2020
Compliance with ethical standards
:
: The authors declare no conflict of interest.
: This study was approved by the ethics committee of the Medical University of Tübingen (application number: 636/2020BO).
: Informed consent was obtained from the individual participant included in the study.