1. Department of Physiotherapy, Wroclaw University of Health and Sport Sciences, 51-612 Wroclaw, Poland
2. Supraregional Center of Paediatric Oncology “Cape of Hope”, Wroclaw University Clinical Hospital, 50-556 Wroclaw, Poland
3. Department of Paediatric Haematology and Oncology, University Hospital Motol, 150 06 Prague, Czech Republic