Text and Data Mining valid from 2019-11-07
Received: 30 June 2019
Accepted: 28 October 2019
First Online: 7 November 2019
Ethics approval and consent to participate
: The analysis was approved by the ethical committee (EA1/227/16) of the Charité Universitätsmedizin – Berlin, Berlin, Germany (Chairperson Prof. R. Uebelhack), on August 8th, 2016. Due to the retrospective nature, the requirement for written informed consent was waived by the ethics committee.
: Not applicable.
: The authors have no relevant conflicts of interest to disclose.