Chudek, Jerzy http://orcid.org/0000-0002-6367-7794
Kolonko, Aureliusz http://orcid.org/0000-0002-9647-1872
Owczarek, Aleksander J.
Wieczorowska-Tobis, Katarzyna
Broczek, Katarzyna
Skalska, Anna
Więcek, Andrzej
Funding for this research was provided by:
Polish Ministry of Science and Higher Education (PBZ-MEIN-9/2/2006)
Article History
Received: 1 April 2018
Accepted: 6 June 2018
First Online: 14 June 2018
Compliance with ethical standards
:
: None declared.
: The study protocol complied with the Declaration of Helsinki regarding ethical conduct of research involving human subjects and was approved by the Bioethics Committee of Medical University of Silesia in Katowice.
: All participants gave their informed consent.