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Article History

Received: 15 January 2018

Accepted: 26 April 2018

First Online: 8 May 2018

Ethics approval and consent to participate

: The present study follows national and international regulations: Declaration of Helsinki Ethical Principles for Medical Research Involving Human Subjects and Good Research Practice principles and guidelines.The IDIAP Jordi Gol Clinical Research Ethics Committee, the reference institution for research in PHC of the ICS, approved the study protocol.Regarding the data contained in the databases and according to Spanish legislation about confidentiality and data protection (Ley Orgánica 15/1999 de 13 de diciembre de Protección de Datos de Carácter Personal), data included in SIDIAP are always anonymized. Thus, it is not necessary to ask for informed consent to the participants.For the linkage with CMBD-HA database (or other databases), SIDIAP uses a “trusted third party” in order to ensure confidentiality when linking both data sources. This third party has no access to clinical information, only to codes and IDs.

: All authors declare: no support from any organisation for the submitted work; no financial relationships with any organisations that might have an interest in the submitted work, and no other relationships or activities that could influence the submitted work.

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