Text and Data Mining valid from 2019-03-02
First Online: 2 March 2019
Compliance with Ethical Standards
: BIFAP is funded by the Spanish Agency for Medicines and Medical Devices. No current external funding sources apply for this study. This study was performed within the framework of a project on the safety of the HPV vaccine.
: Elisa Martín-Merino, Ana Llorente-García, Dolores Montero Corominas, and Consuelo Huerta-Álvarez declare that they have no conflict of interest. All views expressed in this article are those of the authors and do not represent the views of, and should not be attributed to, the Spanish Agency for Medicines and Medical Devices.
: The investigators had access to secondary use of only fully anonymized data, and under this condition, no specific ethics review was required according to Spanish law.