1. Department of Public Health, Experimental and Forensic Medicine, Unit of Hygiene, University of Pavia, Pavia, Italy
2. Department of Brain and Behavioural Sciences, Section of Biostatistics, Neurophysiology and Psychiatry, Unit of Medical Statistics and Computational Genomics, Clinical Epidemiology and Health Planning Laboratory, University of Pavia, Pavia, Italy
3. Faculty of Medicine and Surgery, Pavia, Italy
4. SISM (Segretariato Italiano Studenti Medicina [Italian medical students’ secretariat]), Local Office of Pavia, Pavia, Italy