Schneider, Ralph
Buhmann, Julia
Ommer, Andreas
Article History
First Online: 23 March 2020
Compliance with ethical guidelines
:
: R. Schneider, J. Buhmann and A. Ommer declare that they have no competing interests.
: The ethics commission of the Ärztekammer Nordrhein approved the study (No. 2018317). Informed consent was obtained from all individual participants included in the study.