About the Authors

Ramón Díaz

Affiliation Departamento de Microbiología y Parasitología, Facultad de Medicina, Universidad de Navarra, Pamplona, Spain

Aurora Casanova

Affiliation Departamento de Microbiología, Hospital Universitari de Bellvitge, Universidad de Barcelona (IDIBELL), Barcelona, Spain

Javier Ariza

Affiliation Departamento de Enfermedades Infecciosas, Hospital Universitari de Bellvitge, Universidad de Barcelona (IDIBELL), Barcelona, Spain

Ignacio Moriyón

imoriyon@unav.es

Affiliation Departamento de Microbiología y Parasitología, Facultad de Medicina, Universidad de Navarra, Pamplona, Spain

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: RD JA. Performed the experiments: RD AC. Analyzed the data: RD AC JA IM. Contributed reagents/materials/analysis tools: AC. Wrote the paper: IM.