Text and Data Mining valid from 2020-01-16
Received: 17 September 2019
Accepted: 28 October 2019
First Online: 16 January 2020
Ethics approval and consent to participate
: This study was approved by the local Ethics Committee at the University of Frankfurt, Germany (approval number: #182/19). All patients were fully informed about the nature of this study and signed an informed consent form for this treatment.
: The authors obtained written consent for publication from the patients enrolled in this study.
: The authors declare that they have no competing interests.