1. Division of Nuclear Medicine, IEO European Institute of Oncology, IRCCS, 20141 Milan, Italy
2. Department of Oncology and Hemato-Oncology, University of Milan, 20141 Milan, Italy
3. Division of Thoracic Surgery, IEO European Institute of Oncology, IRCCS, 20141 Milan, Italy
4. Department of Statistics and Quantitative Methods, University of Milan-Bicocca, 20141 Milan, Italy