About the Authors

Giuseppina Sanna

Affiliation Department of Biomedical Sciences, Section of Microbiology and Virology, University of Cagliari, Italy

Silvia Madeddu

Affiliation Department of Biomedical Sciences, Section of Microbiology and Virology, University of Cagliari, Italy

Gabriele Giliberti

ggiliberti@unica.it

Affiliation Department of Biomedical Sciences, Section of Microbiology and Virology, University of Cagliari, Italy

Nikoletta G. Ntalli

Affiliation Department of Life and Environmental Sciences, High Resolution Mass Spectrometry Laboratory, University of Cagliari, Italy

Filippo Cottiglia

Affiliation Department of Life and Environmental Sciences, High Resolution Mass Spectrometry Laboratory, University of Cagliari, Italy

Alessandro De Logu

Affiliation Department of Life and Environmental Sciences, Section of Medical Microbiology, University of Cagliari, Italy

Emanuela Agus

Affiliation Department of Life and Environmental Sciences, Section of Medical Microbiology, University of Cagliari, Italy

Pierluigi Caboni

Affiliation Department of Life and Environmental Sciences, High Resolution Mass Spectrometry Laboratory, University of Cagliari, Italy

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: GS GG ADL PC. Performed the experiments: GS SM GG NGN FC EA. Analyzed the data: GS NGN. Contributed reagents/materials/analysis tools: ADL PC. Wrote the paper: GG PC.