Text and Data Mining valid from 2019-08-09
Received: 26 May 2019
Accepted: 2 August 2019
First Online: 9 August 2019
Ethics approval and consent to participate
: Ethical clearance was provided by the Ethics Committee of the Medical Association of Hamburg, Germany (Registration Number WF-012/19), allowing the anonymized assessments without informed consent.
: Not applicable.
: The authors declare that they have no competing interests.