Funding for this research was provided by:
Ministarstvo Prosvete, Nauke i Tehnološkog Razvoja (ON 174009, TR 34014)
Text and Data Mining valid from 2019-02-01
First Online: 1 February 2019
Compliance with ethical standards
: The authors declare that they have no conflict of interest.
: This article does not contain any studies with human participants or animals performed by any of the authors.