Rodríguez-Martín, Sara
Martín-Merino, Elisa
Lerma, Victoria
Rodríguez-Miguel, Antonio
González, Olga
González-Herrada, Carlos
Ramírez, Elena
Bellón, Teresa
de Abajo, Francisco J.
Funding for this research was provided by:
Instituto de Salud Carlos III (#PI12/02267)
Article History
Received: 29 June 2018
Accepted: 27 September 2018
First Online: 8 October 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: Informed consent was obtained from all prospective individual participants or legal representatives. For retrospective cases, the Ethics Research Committee granted us an exemption. BIFAP is a fully anonymised database, and according to the Spanish law, an informed consent is not required when no personal data is collected.