Text and Data Mining valid from 2019-11-06
Received: 30 September 2019
Accepted: 18 October 2019
First Online: 6 November 2019
Ethics approval and consent to participate
: This study was approved by the Regional Committee for Medical Ethics (2016/1929) and the local Data Protection Officer (17/024). The patients consigned a written, informed consent.
: Not applicable.
: The authors declare that they have no competing interests.