About the Authors

Diana Mora-Obando

Affiliation Instituto Clodomiro Picado, Facultad de Microbiología, Universidad de Costa Rica, San José, Costa Rica

Julián Fernández

Affiliation Instituto Clodomiro Picado, Facultad de Microbiología, Universidad de Costa Rica, San José, Costa Rica

Cesare Montecucco

Affiliation Department of Biomedical Sciences, University of Padova, Padova, Italy

José María Gutiérrez

Affiliation Instituto Clodomiro Picado, Facultad de Microbiología, Universidad de Costa Rica, San José, Costa Rica

Bruno Lomonte

bruno.lomonte@ucr.ac.cr

Affiliation Instituto Clodomiro Picado, Facultad de Microbiología, Universidad de Costa Rica, San José, Costa Rica

Competing Interests

The authors have the following interests: Bruno Lomonte and Jose M. Gutierrez are PLOS ONE Editorial Board members. This does not alter the authors’ adherence to PLOS ONE Editorial policies and criteria. Other than this, the authors declare that no conflicts of interest are related to this manuscript.

Author Contributions

Conceived and designed the experiments: BL DMO. Performed the experiments: DMO. Analyzed the data: DMO JF CM JMG BL. Contributed reagents/materials/analysis tools: JF. Contributed to the writing of the manuscript: BL JMG CM.