About the Authors

Monica Sañé Schepisi

monica.saneschepisi@inmi.it

Affiliation Department of Epidemiology and Preclinical Research, L. Spallanzani National Institute for Infectious Diseases, Rome, Italy

Giovanni Sotgiu

Affiliation Epidemiology and Medical Statistics Unit, Department of Biomedical Sciences, University of Sassari, Research, Medical Education and Professional Development Unit, AOU Sassari, Sassari, Italy

Silvia Contini

Affiliation Department of Epidemiology and Preclinical Research, L. Spallanzani National Institute for Infectious Diseases, Rome, Italy

Vincenzo Puro

Affiliation Department of Epidemiology and Preclinical Research, L. Spallanzani National Institute for Infectious Diseases, Rome, Italy

Giuseppe Ippolito

Affiliation Office of the Scientific Director, L. Spallanzani National Institute for Infectious Diseases, Rome, Italy

Enrico Girardi

Affiliation Department of Epidemiology and Preclinical Research, L. Spallanzani National Institute for Infectious Diseases, Rome, Italy

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: GS. Performed the experiments: MSS EG SC. Analyzed the data: GS. Contributed reagents/materials/analysis tools: GS. Wrote the paper: MSS EG. Contributed to the interpretation of results and to the discussion and revision of the manuscript: VP GI.