Funding for this research was provided by:
Instituto de Salud Carlos III (RD16/0007/0002)
Health Department, Eusko Jaurlaritza (2018111085)
Text and Data Mining valid from 2020-01-22
Received: 13 December 2019
Accepted: 6 January 2020
First Online: 22 January 2020
Ethics approval and consent to participate
: The research protocol has been approved by the Basque Country Clinical Research Ethics Committee (Ref: PI2019102, approved on 10/04/2019). The Primary Care Research Unit of Bizkaia is explicitly authorized by the Healthcare Management of the Basque Health System to extract and use data from the electronic health records for research purposes.
: The authors declare that they have no competing interests.