Smolarz, Beata http://orcid.org/0000-0003-3168-062X
Michalska, Magdalena M.
Samulak, Dariusz
Romanowicz, Hanna
Wójcik, Luiza
Funding for this research was provided by:
Polish Mother's Memorial Hospital Research Institute
Article History
Received: 23 March 2018
Accepted: 15 January 2019
First Online: 2 February 2019
Compliance with Ethical Standards
: 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.
: All the study participants gave a written informed consent. A formal consent was also issued by the Bioethical Committee of the Institute of the Polish Mother’s Memorial Hospital in Lodz (Approval number, No 33/2015).
: 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, No 33/2015).
: Not applicable, the manuscript doesn’t contain any individual person’s data.
: Authors declare no conflict of interest.