Text and Data Mining valid from 2019-07-15
Received: 15 April 2019
Accepted: 10 July 2019
First Online: 15 July 2019
Compliance with ethical standards
: The authors declare that they have no conflict of interest.
: All applicable international, national, and/or institutional guidelines for the care and use of animals were followed (EU Directive 2010/63/EU for animal experiments).