Połtyn-Zaradna, Katarzyna
Zatońska, Katarzyna
Basiak, Alicja
Sozańska, Barbara
Gaweł-Dąbrowska, Dagmara
Wołyniec, Maria
Szuba, Andrzej
Zatoński, Witold
Funding for this research was provided by:
Polish Ministry of Science and Higher Education (290/W-PURE/2008/0)
Wroclaw Medical University (ST -C300.16.078)
Article History
Received: 16 February 2018
Accepted: 21 December 2018
First Online: 3 January 2019
Ethics approval and consent to participate
: Written consent was obtained from all individual participants included in the study. All human studies have been reviewed by the appropriate ethics committee and have therefore been performed in accordance with the ethical standards laid down in an appropriate version of the 1964 Declaration of Helsinki (Positive opinion of The <i>Bioethics Committee</i> of the <i>Wrocław Medical University</i> nr KB- 443/2006).
: Not applicable
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.