Funding for this research was provided by:
Lodz University of Technology
Article History
Received: 8 February 2019
Revised: 9 April 2019
Accepted: 10 April 2019
First Online: 29 April 2019
Compliance with ethical standards
:
: The authors declare they have no conflict of interest.
: This article does not contain any studies with human participants or animals performed by any of the authors.