1Faculty Department of Medical Informatics and Biostatistics, Medical University of Gdańsk,
Dębinki 1, 80-211 Gdańsk, Poland
2Department of Physiotherapy, Józef Rusiecki Olsztyn University College,
Bydgoska 33, 10-243 Olsztyn, Poland
3Department of Toxicology, Medical University of Gdańsk, Hallera 107, 80-416 Gdańsk, Poland
Pol. J. Environ. Stud. 2014;23(2):521–531