Smolarz, Beata
Bryś, Magdalena
Forma, Ewa
Zadrożny, Marek
Bieńkiewicz, Jan
Romanowicz, Hanna
Article History
Received: 12 July 2017
Accepted: 29 November 2017
First Online: 5 December 2017
Compliance with Ethical Standards
: Ethics approval and consent to participate.
: This work was supported by the Institute of Polish Mother’s Memorial Hospital, Lodz, Poland from the Statutory Development Fund. All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Author Beata Smolarz declares that she has no conflict of interest. Author Magdalena Bryś declares that she has no conflict of interest. Author Ewa Forma declares that she has no conflict of interest. Author Marek Zadrożny declares that he has no conflict of interest. Author Jan Bieńkiewicz declares that he has no conflict of interest. Author Hanna Romanowicz declares that she has no conflict of interest.
: Informed consent was obtained from all individual participants included in the study.A formal consent was also issued by the Bioethical Committee of the Institute of the Polish Mother’s Memorial Hospital in Lodz (Approval number, 15.12.2010).
: Not applicable, the manuscript doesn’t contain any individual person’s data.