About the Authors

Giulia Freer

freer@biomed.unipi.it

Affiliation Retrovirus Center and Virology Section, Department of Experimental Pathology, University of Pisa, Pisa, Italy

Donatella Matteucci

Affiliation Retrovirus Center and Virology Section, Department of Experimental Pathology, University of Pisa, Pisa, Italy

Competing Interests

The authors have declared that no competing interests exist.