Coy, Emerson http://orcid.org/0000-0002-4149-9720
Graczyk, Piotr
Yate, Luis
Załęski, Karol
Gapiński, Jacek
Kuświk, Piotr
Mielcarek, Sławomir
Stobiecki, Feliks
Mróz, Bogusław
Ferrater, Cesar
Jurga, Stefan
Article History
Received: 21 June 2017
Accepted: 8 September 2017
First Online: 18 September 2017
Competing Interests
: The authors declare that they have no competing interests.