Text and Data Mining valid from 2020-05-04
Received: 17 December 2019
Accepted: 22 April 2020
First Online: 4 May 2020
Ethics approval and consent to participate
: After consultation with the ethics committee of the Department of Medicine of the Goethe University Frankfurt am Main, it was decided that a vote by the ethics committee was not required due to the anonymous evaluation. For the same reason, the ethics committee agreed to seek oral consent from all of the participants.
: Not applicable.
: The authors declare that they have no competing interests.