Text and Data Mining valid from 2019-10-10
Received: 1 April 2019
Accepted: 12 September 2019
First Online: 10 October 2019
Ethics approval and consent to participate
: The Ethics Committee of the University Hospitals of Geneva, Switzerland, gave ethical approval for this study, and written informed consent was obtained from all patients.
: Not applicable.
: The authors declare that they have no competing interests.