Competing interests
DG declared personal fees for educational activities from Novartis, Lilly, Pfizer, Roche and Astrazeneca, outside of the submitted work. FS declared personal fees for educational activities from Novartis, outside of the submitted work. IP has declared consulting fees from Roche, Novartis, Lilly, Pfizer, Astra-Zeneca, Pierre Fabre and Ipsen outside of the submitted work. GS has declared Grant/Research Support from MSD Italia S.r.l., consulting role for TESARO Bio Italy S.r.l. Johnson & Johnson and Clovis Oncology Italy S.r.l., outside of the submitted work. All other authors declared no conflict of interest.