Funding for this research was provided by:
National Science Centre in Poland (DEC-2016/23/B/HS4/03398)
Spanish Ministry for Economy and Competitiveness (MTM2016-79765-P)
Article History
Received: 26 July 2018
Revised: 14 March 2019
Accepted: 17 April 2019
First Online: 26 April 2019
Compliance with ethical standards
:
: The authors certify that they have no affiliations with or involvement in any organization or entity with any financial interest or non-financial interest in the subject matter or materials discussed in this manuscript.