Fink, Bernd http://orcid.org/0000-0002-7485-3941
Schlumberger, Michael
Beyersdorff, Julian
Schuster, Philipp
Article History
Received: 19 June 2019
Accepted: 2 January 2020
First Online: 24 February 2020
Ethics approval and consent to participate
: Institutional Review Board Approval was obtained before starting this study by the Landesärztekammer Baden-Württemberg.
: Not applicable.
: The authors declare that they have no competing interests.