Funding for this research was provided by:
Narodowe Centrum Badań i Rozwoju (PBS3/A8/32/2015)
Text and Data Mining valid from 2019-02-05
First Online: 5 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.