1. Cochrane Italy, Department of Diagnostic, Clinical and Public Health Medicine; University of Modena and Reggio Emilia; Modena Italy
2. Department of Clinical and Experimental Medicine; University of Pisa; Pisa Italy
3. Department of Surgery, Oncology and Gastroenterology; University of Padova, Istituto Oncologico Veneto IRCCS; Padova Italy
4. Medical Staff Directory; San Luca Hospital, Auxologic Institute; Milan Italy
5. Cochrane Italy and IRCCS Mario Negri Institute for Pharmacological Research; Milan Italy
6. Department of Biomedical Sciences for Health; University of Milan; Milan Italy