Funding for this research was provided by:
Narodowe Centrum Nauki (UMO-2014/13/B/ST8/04258)
Article History
Received: 30 January 2019
Accepted: 12 April 2019
First Online: 19 April 2019
Compliance with ethical standards
:
: The authors declare no conflict of interest. The founding sponsors had no role in the design of the study; in the collection, analyses, or interpretation of data; in the writing of the manuscript; and in the decision to publish the results.