1. Radiation Oncology Center, Department of Experimental, Diagnostic and Specialty Medicine‑DIMES, University of Bologna, S. Orsola‑Malpighi Hospital, 40138 Bologna, Italy
2. Medical Physic Unit, Fondazione di Ricerca e Cura ‘Giovanni Paolo II’, Catholic University of Sacred Heart, 86100 Campobasso, Italy
3. Radiotherapy Unit, Fondazione di Ricerca e Cura ‘Giovanni Paolo II’, Catholic University of Sacred Heart, 86100 Campobasso, Italy
4. Department of Radiation Oncology, CRO‑IRCCS, National Cancer Institute, 33081 Aviano, Italy
5. Radiation Oncology Unit, Bellaria Hospital, 40139 Bologna, Italy
6. Department of Radiation Oncology, Black Lion Hospital, Addis Ababa 9086, Ethiopia
7. Radiation Oncology Department, United Hospital Limited, Gulshan, Dhaka 1212, Bangladesh