About the Authors

Roberto Raschetti

To whom correspondence should be addressed. E-mail: roberto.raschetti@iss.it

Affiliation National Center for Epidemiology, Surveillance and Health Promotion, National Institute of Health, Rome, Italy

Emiliano Albanese

Affiliations National Center for Epidemiology, Surveillance and Health Promotion, National Institute of Health, Rome, Italy , Section of Epidemiology, Institute of Psychiatry, King's College London, London, United Kingdom

Nicola Vanacore

Affiliation National Center for Epidemiology, Surveillance and Health Promotion, National Institute of Health, Rome, Italy

Marina Maggini

Affiliation National Center for Epidemiology, Surveillance and Health Promotion, National Institute of Health, Rome, Italy

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

RR and MM designed the study. RR, EA, NV, and MM analyzed the data and contributed to writing the paper.