Funding for this research was provided by:
Johann Wolfgang Goethe-Universität, Frankfurt am Main
Received: 26 January 2021
Accepted: 16 February 2021
First Online: 27 February 2021
Ethics approval and consent to participate
: 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.” The study is approved by the Ethics committee of the Department of Medicine of the Goethe University Frankfurt am Main (303/16).
: Informed consent was obtained from all individual participants included in the study.
: The authors declare that they have no competing interests.