Text and Data Mining valid from 2020-01-11
Received: 23 September 2019
Accepted: 31 December 2019
First Online: 11 January 2020
Compliance with Ethical Standards
: The authors declare that they have no conflict of interest.
: Research involving human participants and/or animals—not applicable.
: Patient gave informed consent for his treatment. This study does not involve any research on humans.