Morys, Julia https://orcid.org/0000-0001-6192-3173
Borkowska, Paulina https://orcid.org/0000-0003-3150-3084
Zielinska, Aleksandra https://orcid.org/0000-0003-3394-967X
Kowalski, Jan https://orcid.org/0000-0001-6455-4502
Funding for this research was provided by:
Śląski Uniwersytet Medyczny (PCN-1-012/N/1/B)
Article History
Received: 14 January 2022
Revised: 14 February 2022
Accepted: 16 February 2022
First Online: 28 March 2022
Declarations
:
: The authors declare no relevant interests to disclose.
: The Bioethical Committee of the Medical University of Silesia in Katowice (Resolution No. KNW/022/KB/195/14) confirmed its acceptance for the entire technique of conducting this exploration.
: The volunteering mothers were informed of the procedure details. The study begun after receiving their full, written consent.