Funding for this research was provided by:
Johannes Gutenberg-Universität Mainz
Article History
Received: 14 May 2020
Accepted: 11 August 2020
First Online: 22 August 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: For this type of study, formal consent is not required. Patients in our University Medical Center always sign a general formal consent stating that data may be used in anonymized or pseudonymized fashion for scientific purposes.