1. Department of Hematooncology and Bone Marrow Transplantation Medical University of Lublin Lublin Poland
2. Department of Human Physiology Medical University of Lublin Lublin Poland
3. Department of Clinical Psychology and Neuropsychology Institute of Psychology Maria Curie‐Skłodowska University Lublin Poland
4. Department of Pneumonology, Oncology and Allergology Medical University of Lublin Lublin Poland
5. Department of Haematology University Hospital Galway Galway Republic of Ireland
6. National University of Ireland Galway Republic of Ireland