Text and Data Mining valid from 2019-02-09
Received: 10 December 2018
Accepted: 2 February 2019
First Online: 9 February 2019
Compliance with Ethical Standards
: The author of this article has not received any research grant, remuneration, or speaker honorarium from any company or committee whatsoever, and neither owns any stock in any company. The author declares that she does not have any conflict of interest.
: This article does not contain any new studies with human participants or animals performed by the author.
: Informed consent was obtained from all the individual participants in this study.
: All procedures performed on the patients (human participants) involved were in accordance with the ethical standards of the institution and/or national research committee, as well as with the 1964 Helsinki declaration and its later amendments and comparable ethical standards.