Funding for this research was provided by:
Received: 13 April 2019
Accepted: 9 October 2019
First Online: 15 November 2019
Ethics approval and consent to participate
: The information contained in BiFAP is completely anonymous and includes no data that could identify patients, doctors or centres, ensuring full confidentiality. The Data Protection Agency considers that BiFAP meets the requirements of Law 14/2007 (adopted on July 3) on Biomedical Research regarding the protection of personal data and privacy. The Galician Research Ethics Committee granted permission for the study (Registration number 2014/623).
: Not applicable.
: FMT is editor at BMC Inf Dis and has received research grants and/or honoraria as a consultant/advisor and/or speaker and for conducting vaccine trials from GlaxoSmithKline, Sanofi Pasteur MSD, Merck, Sanofi Pasteur, Pfizer, Novartis, and MedImmune Inc. IRC has received grants for attending to a conference from GlaxoSmithKline. AGM and RGP have received research grants and/or honoraria as a consultant/advisor and/or speaker from Sanofi Pasteur MSD, Merck, Sanofi Pasteur, Pfizer and Novartis. None declared for the rest of the authors.