1. Radiation Oncology, Fondazione IRCCS Policlinico San Matteo, 27100 Pavia, Italy
2. Department of Clinical Surgical, Diagnostic and Pediatric Sciences, Pavia University, 27100 Pavia, Italy
3. Department of Radiation Oncology (Maastro Clinic), GROW—School for Oncology and Reproduction, Maastricht University Medical Center, 6229 ER Maastricht, The Netherlands
4. Department of Pulmonary Diseases, GROW—School for Oncology and Reproduction, Maastricht University Medical Center, 6229 ER Maastricht, The Netherlands
5. Department of Respiratory Medicine, NUTRIM Research Institute of Nutrition and Translational Research in Metabolism, Maastricht University Medical Center, 6229 ER Maastricht, The Netherlands
6. Department of Pulmonology, Zuyderland Medical Center, 6419 PC Heerlen, The Netherlands