1. Department of Morfology, Experimental Medicine and Surgery, Section of General and Thoracic Surgery, Azienda Ospedaliero Universitaria di Ferrara Arcispedale Sant'Anna, Ferrara, Italy
2. Center for Clinical Epidemiology of the School of Medicine, University of Ferrara, Ferrara, Italy
3. Department of Clinical Oncology, Azienda Ospedaliero Universitaria di Ferrara Arcispedale Sant'Anna, Ferrara, Italy
4. Department of Respiratory Diseases, Azienda Ospedaliero Universitaria di Ferrara Arcispedale Sant'Anna, Ferrara, Italy
5. Department of Radiation Oncology, Azienda Ospedaliero Universitaria di Ferrara Arcispedale Sant'Anna, Ferrara, Italy
6. Department of Diagnostic Imaging, Section of Nuclear Medicine, Azienda Ospedaliero Universitaria di Ferrara Arcispedale Sant'Anna, Ferrara, Italy
7. Department of Anatomic Pathology, Azienda Ospedaliero Universitaria di Ferrara Arcispedale Sant'Anna, Ferrara, Italy
8. Division of Neurosurgery, Department of Surgery, Harvard Medical School, Boston, MA, USA
9. Department of Diagnostic Imaging, Azienda Ospedaliero Universitaria di Ferrara Arcispedale Sant'Anna, Ferrara, Italy