Szewczyk, Grzegorz http://orcid.org/0000-0003-4143-2777
Pyzlak, Michał
Pankiewicz, Katarzyna
Szczerba, Ewa
Stangret, Aleksandra
Szukiewicz, Dariusz
Skoda, Marta
Bierła, Joanna
Cukrowska, Bożena
Fijałkowska, Anna
Funding for this research was provided by:
Instytut Matki i Dziecka (OPK: 510-07-01)
Article History
Received: 23 December 2019
Accepted: 15 December 2020
First Online: 26 January 2021
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional research committee (Ethics Committee affiliated to Institute of Mother and Child, ref. no 11/2014) and with the 1964 Helsinki declaration and its later amendments.
: Informed consent was obtained from all individual participants included in the study.