Kaszubowska, Lucyna
Foerster, Jerzy
Kaczor, Jan Jacek
Schetz, Daria
Ślebioda, Tomasz Jerzy
Kmieć, Zbigniew
Funding for this research was provided by:
Narodowe Centrum Nauki (N N404 597640)
Article History
Received: 10 December 2017
Accepted: 19 February 2018
First Online: 6 March 2018
Ethics approval and consent to participate
: All volunteers signed informed consent and study received approval from Ethical Committee of the Medical University of Gdańsk, Poland (225/2010).
: Not applicable.
: The authors declare that they have no competing interests.
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