About the Authors

Joan Puig-Barberà

puig_joa@gva.es

Affiliation Foundation for the Promotion of Health and Biomedical Research in the Valencia Region FISABIO – Public Health, Valencia, Spain

Angels Natividad-Sancho

Affiliation Foundation for the Promotion of Health and Biomedical Research in the Valencia Region FISABIO – Public Health, Valencia, Spain

Odile Launay

Affiliation Université Paris Descartes, Sorbonne Paris Cité, Inserm, CIC 1417 and the French Vaccine Research Network (REIVAC), Paris, France

Elena Burtseva

Affiliation D.I. Ivanovsky Institute of Virology, Moscow, Russian Federation

Meral A. Ciblak

Affiliation National Influenza Reference Laboratory Cappa-Istanbul, Istanbul, Turkey

Anita Tormos

Affiliation Foundation for the Promotion of Health and Biomedical Research in the Valencia Region FISABIO – Public Health, Valencia, Spain

Amparo Buigues-Vila

Affiliation Foundation for the Promotion of Health and Biomedical Research in the Valencia Region FISABIO – Public Health, Valencia, Spain

Sergio Martínez-Úbeda

Affiliation Foundation for the Promotion of Health and Biomedical Research in the Valencia Region FISABIO – Public Health, Valencia, Spain

Anna Sominina

Affiliation Research Institute of Influenza, St. Petersburg, Russian Federation

the GIHSN Group

Membership of the GIHSN Group is provided in the Acknowledgements.

Competing Interests

The authors have read the journal's policy and we have the following conflicts: JPB works for the Vaccines Research Area of FISABIO, which has received funding from GlaxoSmithKline, Novartis, Pfizer, Sanofi Pasteur, and Sanofi Pasteur-MSD for conducting studies on infectious disease epidemiology, vaccine effectiveness, pharmacoeconomics, and safety. The Vaccines Research Area is and has been involved in various randomized clinical trials with GlaxoSmithKline, Novartis, Pfizer, and MSD vaccines. AT is a member of a program funded by Sanofi Pasteur. OL has been an investigator on vaccine studies sponsored by and has received travel support to attend scientific meetings from Sanofi Pasteur and other pharmaceutical companies. Finally, the authors confirm that their competing interests, as previously stated, do not alter their adherence to PLOS ONE policies on sharing data and materials. All other authors declare no conflicts of interest.

Author Contributions

Conceived and designed the experiments: JPB OL EB MAC AS. Performed the experiments: JPB OL EB MAC AS. Analyzed the data: JPB ANS AT ABV SMU. Wrote the paper: JPB ANS AT. Interpreted data: JPB ANS OL EB MAC AT ABV SMU AS. Participated in article preparation: JPB ANS OL EB MAC AT ABV SMU AS. Approved the final article: JPB ANS OL MAC AT ABV SMU AS.