1. Thoracic Surgery Unit, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan - Italy
2. Pediatric Unit, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan - Italy
3. Department of Radiotherapy, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan - Italy
4. Department of Clinical Sciences and Community Health, University of Milan, Milan - Italy