Kleszczewska, Dorota
Dzielska, Anna
Salonna, Ferdinand
Mazur, Joanna
Funding for this research was provided by:
Narodowe Centrum Nauki (2013/09/B/HS6/03438)
Article History
Received: 27 July 2017
Accepted: 28 July 2018
First Online: 3 August 2018
Compliance with Ethical Standards
:
: D. Kleszczewska, A.Dzielska, F.Salonna and J. Mazur state that there are no conflicts of interest.
: The content presented in this article is in line with the principles of the Helsinki Declaration, the EU Directives and the unified requirements for biomedical journals. The research described in this article has the approval no. 1/2015 of the Bioethics Commission acting at the Institute of Mother and Child in Warsaw.