1. Department of Pediatric Infectious Diseases, Wrocław Medical University, Wrocław, Poland
2. Department of Physiotherapy, Wrocław Medical University, Wrocław, Poland
3. Institute of Health Sciences, University of Opole, Opole, Poland
4. Department of Nursing and Obstetrics, Wrocław Medical University, Wrocław, Poland
5. Department of Physiology and Biochemistry, Wrocław University of Health and Sport Sciences, Wrocław, Poland