Authors
Department of Hygiene and Health Promotion, Medical University of Lodz, Lodz, Poland
Ewa Siwińska-Beck
Department of Hygiene and Health Promotion, Medical University of Lodz, Lodz, Poland
© 2022 Małgorzata Znyk, Ewa Siwińska-Beck, published by SAN University
This work is licensed under the Creative Commons Attribution-ShareAlike 3.0 License.