Sedlak, Lech
Świerczyńska, Marta
Borymska, Weronika
Zych, Maria
Wyględowska-Promieńska, Dorota
Funding for this research was provided by:
Medical University of Silesia in Katowice (PCN-2-036/N/0/O)
Article History
Received: 8 February 2021
Accepted: 14 August 2021
First Online: 1 September 2021
Declarations
:
: The study was approved by the Bioethical Committee of Medical University of Silesia (approval number: KNW/0022/KB1/87/17). All procedures were performed in accordance with the principles of the Declaration of Helsinki. Written informed consent was obtained from each participant.
: Not applicable.
: The authors declare no competing financial or non-financial interests.