Text and Data Mining valid from 2019-04-03
Received: 9 February 2019
Accepted: 18 March 2019
First Online: 3 April 2019
Compliance with Ethical Standards
: The authors declare that they have no conflicts of interest to disclose. None of the authors has a financial interest in any of the products, devices, or drugs mentioned in this manuscript.
: This article does not contain any studies with human participants or animals performed by any of the authors.
: For this type of study informed consent is not required.