Funding for this research was provided by:
Uniwersytet Medyczny w Bialymstoku (SUB/3/DN/19/001/3329.)
Received: 20 March 2020
Accepted: 5 January 2021
First Online: 14 January 2021
Ethics approval and consent to participate
: Before the study, a written consent was obtained from the Central Council of Nurses and Midwives (dated from 20/03/2017) to carry out the study through the Regional Chambers of Nurses and Midwives. This procedure has been approved by the Bioethics Committee of the Medical University of Bialystok (dated from 28/09/2017).
: Not applicable.
: The authors declare that there are no competing interests.