1. National Centre for Disease Prevention and Health Promotion, Italian National Institute of Health, 00161 Rome, Italy
2. Primary Healthcare Unit, Health District 9, Local Health Unit Roma 2, 00159 Rome, Italy
3. PhD Course Advances in Infectious Diseases, Microbiology, Legal Medicine and Public Health Sciences, Sapienza University of Rome, 00185 Rome, Italy
4. Local Health Unit 2 Liguria, 17100 Savona, Italy
5. Division of Pharmacoepidemiology and Pharmacoeconomics, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA 02115, USA