Received: 6 July 2020
Accepted: 11 January 2021
First Online: 1 February 2021
Ethics Approval and Consent to Participate
: The local ethics committee approved the study (Ethics Committee University Münster, Germany, 2020-418-f-S). The study complies with the Declaration of Helsinki.
: Not applicable.
: The authors, Simon Wernhart, Jürgen Hedderich, Svenja Wunderlich, Kunigunde Schauerte, Dominic Dellweg, Eberhard Weihe, and Karsten Siemon, declare that they have no competing interests.