Text and Data Mining valid from 2020-01-11
Received: 29 October 2019
Accepted: 3 January 2020
First Online: 11 January 2020
Compliance with ethical standards
: The authors declare that they have no conflict of interest.
: This article does not contain research including human participants or animals performed by any of the authors.
: Informed consent was obtained from the patient included in the study.