About the Authors

Xavier Carbonell-Estrany

carbonell@comb.cat (XCE)

Affiliation Neonatology Service, Hospital Clinic, Institut d'Investigacions Biomediques August Pi Suñer (IDIBAPS), Barcelona, Spain

Eduardo G. Pérez-Yarza

Affiliations Division of Pediatric Respiratory Medicine, Hospital Universitario Donostia—Instituto Biodonostia, San Sebastián, Spain, Biomedical Research Centre Network for Respiratory Diseases (CIBERES), San Sebastián, Spain, Department of Pediatrics, University of the Basque Country (UPV/EHU), San Sebastián, Spain

Laura Sanchez García

Affiliation Neonatology Unit, Hospital Universitario La Paz, Madrid, Spain

Juana M. Guzmán Cabañas

Affiliation Neonatology Service, Hospital Universitario Reina Sofía, Córdoba, Spain

Elena Villarrubia Bòria

Affiliation Health Outcomes Research Department, 3D Health Research, Barcelona, Spain

Belén Bernardo Atienza

Affiliation Neonatology Division, Instituto de Investigación Sanitaria Gregorio Marañón, Hospital General Universitario “Gregorio Marañón”, Madrid, Spain

IRIS (Infección Respiratoria Infantil por Virus Respiratorio Sincitial) Study Group

Membership of the IRIS Study Group is listed in the Acknowledgments

Competing Interests

This study was funded by AbbVie Farmacéutica S.L.U. Madrid, Spain. In addition Xavier Carbonell-Estrany and Eduardo G. Pérez-Yarza have acted as expert advisors and speakers for AbbVie and have received honoraria in this regard. For the remaining authors none was declared. This does not alter the authors’ adherence to PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: XCE EGPY. Performed the experiments: XCE EGPY LSG JMGC BBA. Analyzed the data: EVB XCE EGPY. Wrote the paper: XCE EGPY LSG JMGC EVB BBA.