Text and Data Mining valid from 2020-02-14
Received: 17 December 2019
Accepted: 4 February 2020
First Online: 14 February 2020
Ethics approval and consent to participate
: The institutional review board approved this analysis on 10th of February 2015 and all patients signed informed consent (UE nr. 128–14).
: Not applicable.
: The authors declare that they have no competing interests.