About the Authors

Domingo Ojer Tsakiridu

domingoelena@telefonica.net

Affiliation Centro de Salud de La Felguera, La Felguera, Voluntary of Médicos del Mundo (Doctors of the Word) Asturias, Asturias, Spain

Amalia Franco Vidal

Affiliation Servicio de Calidad, Hospital Universitario Central de Asturias, Oviedo, Asturias, Spain

Fernando Vázquez Valdés

Affiliation Servicio de Microbiología, Hospital Monte Naranco, Oviedo, Asturias, Spain

Maria Luisa Junquera Llaneza

Affiliation Unidad de I.T.S., Hospital Monte Naranco, Oviedo, Asturias, Spain

Jose Antonio Varela Uría

Affiliation Unidad de I.T.S., Ambulatorio de Pumarín, Gijón, Asturias, Spain

Mar Cuesta Rodríguez

Affiliation Unidad de I.T.S., Hospital Monte Naranco, Oviedo, Asturias, Spain

Carmen López Sanchez

Affiliation Unidad de I.T.S., Ambulatorio de Pumarín, Gijón, Asturias, Spain

Margarita Busto Folgosa

Affiliation Médicos del Mundo (Doctors of the Word) Asturias, CEREDA, Oviedo, Asturias, Spain

Maria Jesús Fernández Ollero

Affiliation Médicos del Mundo (Doctors of the Word) Asturias, CEREDA, Oviedo, Asturias, Spain

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: DO AF MJ MC JV CL MB MF. Performed the experiments: MJ MC JV CL MB MF. Analyzed the data: DO AF FV. Contributed reagents/materials/analysis tools: DO AF MJ MC JV CL MB MF. Wrote the paper: DO FV.