1. Department of Rehabilitation and Examination, Metropolia University of Applied Sciences, Vantaa, Finland

2. Department of Radiography and Radiotherapy, Oulu University of Applied Sciences, Oulu, Finland

3. Department of Cancer Treatment and Medical Physics, Haukeland University Hospital, Bergen, Norway

4. Faculty of Health and Social Science, Western Norway University of Applied Sciences, Bergen, Norway

5. Department of Radiography and Radiotherapy, School of Health Sciences (HESAV), HES-SO University of Applied Sciences and Arts Western Switzerland, Delémont, Switzerland

6. Department of Haematology and Oncology, Clinic Tartu University Hospital, Tartu, Estonia

7. Department of Radiography and Biomedical Laboratory Science Tartu Healthcare College, Tartu, Estonia