About the Authors

Pasquale Urbano

To whom correspondence should be addressed. E-mail: pasquale.urbano@unifi.it

Pasquale Urbano is full Professor of Microbiology at the Medical School of the University of Florence, Florence, Italy, and Director of its Department of Public Health. Francesco Urbano serves as Major (OF3) at the Logistic Headquarters, Medical Branch, Italian Army Medical Corps, Rome, Italy, and is a lecturer on infectious diseases at the University of Florence, Florence, Italy.

Francesco Urbano

Pasquale Urbano is full Professor of Microbiology at the Medical School of the University of Florence, Florence, Italy, and Director of its Department of Public Health. Francesco Urbano serves as Major (OF3) at the Logistic Headquarters, Medical Branch, Italian Army Medical Corps, Rome, Italy, and is a lecturer on infectious diseases at the University of Florence, Florence, Italy.

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

PU and FU analyzed data, contributed reagents/materials/analysis tools, and wrote the paper.