Funding for this research was provided by:
Hrvatska Zaklada za Znanost (IP-2014-09-7899)
Text and Data Mining valid from 2019-04-05
Received: 6 February 2019
Accepted: 27 March 2019
First Online: 5 April 2019
Compliance with ethical standards
: We wish to confirm that there are no conflicts of interest associated with this publication.