Funding for this research was provided by:
Università degli Studi di Padova (CPDA159850)
Ministerstvo Školství, Mládeže a Tělovýchovy (LO1204)
MIUR (60A06-8055, 60A06-7411)
Text and Data Mining valid from 2019-02-06
Received: 9 August 2018
Accepted: 16 January 2019
First Online: 6 February 2019
Compliance with ethical standards
: The authors declare that they have no conflicts of interest with the contents of this article.
: This article does not contain any studies with human participants or animals performed by any of the authors.