1. Nursing and Technical Directorate, IRCCS Istituto Romagnolo per lo Studio dei Tumori “Dino Amadori” (IRST), Via Maroncelli 40, 47014 Meldola, Italy
2. “Rita Levi Montalcini” Department of Neuroscience, University of Turin, Via Verdi 8, 10124 Turin, Italy
3. Unit of Biostatistics and Clinical Trials, IRCCS Istituto Romagnolo per lo Studio dei Tumori “Dino Amadori” (IRST), Via Maroncelli 40, 47014 Meldola, Italy
4. Department of Medical and Surgical Sciences (DIMEC), University of Bologna, Via Massarenti 9, 40138 Bologna, Italy