Text and Data Mining valid from 2017-09-19
Received: 2 April 2017
Accepted: 4 September 2017
First Online: 19 September 2017
Compliance with ethical standards
: On behalf of all authors, there is no conflict of interest at all in regards to the submitted publication. That is, no author has a financial or personal relationship with a third party whose interests could be positively or negatively influenced by the article’s content.
: This research paper was not supported by a funding source.
: This article does not contain any studies with human participants or involving animals performed by any of the authors.