Text and Data Mining valid from 2019-03-14
Received: 21 November 2018
Accepted: 5 March 2019
First Online: 14 March 2019
Ethics approval and consent to participate
: The study was planned and conducted in accordance with the principles of the Declaration of Helsinki of 1975 (in its most recently amended version). The protocol was approved by the ethics committee of the participating site (Kantonale Ethikkommission Bern (KEK), Project ID: 2017–00033). Written informed consent was obtained from all patients.
: Not applicable.
: The authors declare that they have no competing interests.
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