Skowerski, M.
Wozniak-Skowerska, I.
Hoffmann, A.
Nowak, S.
Skowerski, T. http://orcid.org/0000-0003-1149-7457
Sosnowski, M.
Wnuk-Wojnar, A. M.
Mizia-Stec, K.
Article History
Received: 23 January 2018
Accepted: 5 July 2018
First Online: 13 July 2018
Ethics approval and consent to participate
: The study was approved by the ethics committee (Medical University of Silesia ethics comittee) and conformed to the Declaration of Helsinki. An informed written consent was obtained from every patient enrolled in the study.
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: The authors declare that they have no competing interests.
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