Mrozkowiak, Mirosław
Stępień-Słodkowska, Marta
Article History
Received: 1 December 2021
Accepted: 21 March 2022
First Online: 2 April 2022
Declarations
:
: The study was approved by the Bioethics Committee of the Kazimierz Wielki University in Bydgoszcz, Poland (No. KEBN 2/2018). We declare that informed consent has been obtained from all subjects and their legal guardians. The consent have been obtained for participation in the research, the use of research results and images for online open access publications.
: Not applicable.
: The authors declare that they have no competing interests.