1. Sicilian Regional Pharmacovigilance Center University Hospital of Messina Messina Italy
2. Dept. of Biomedical and Dental Sciences and Morpho‐functional Imaging University of Messina Messina Italy
3. Medical Oncology Unit, A.O.U. Policlinico "G. Martino", Dept. of Human Pathology University of Messina Messina Italy
4. Research Center Cell Factory UniMe, Dept. of Human Pathology University of Messina and Cell Therapy Program, A.O.U. Policlinico "G. Martino" Messina Italy
5. Unit of Biostatistics, Fondazione IRCCS "Casa Sollievo della Sofferenza" San Giovanni Rotondo Italy
6. Italian Medicines Agency, Pharmacovigilance Office Rome Italy
7. Dept. of Clinical and Experimental medicine University of Messina Messina Italy