About the Authors
- Duccio Medini, Antonello Covacci, Claudio Donati
- Cellular Microbiology and BioInformatics Unit, Novartis Vaccines and Diagnostics, Siena, Italy
The authors have declared that no competing interests exist.
DM, AC, and CD conceived and designed the experiments, and analyzed the data. DM and CD performed the experiments and wrote the paper.