Specht, Cezary http://orcid.org/0000-0001-5631-6969
Dabrowski, Pawel S. http://orcid.org/0000-0002-6177-0493
Specht, Mariusz http://orcid.org/0000-0002-6026-306X
Funding for this research was provided by:
Gdynia Maritime University
Article History
Received: 22 April 2020
Accepted: 8 June 2020
First Online: 17 June 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.