Funding for this research was provided by:
Instituto de Salud Carlos III (PS09/00805, PI09/90441, PS09/00314, PS09/00910, PS09/00746, PI09/90460, PI09/90490, PI09/90397, PI09/90453)
European Regional Development Fund
The Department of Health of the Basque Country (2010111098)
KRONIKGUNE –Centro de Investigación en Cronicidad (KRONIK 11/006)
Istituto de Salud Carlos III (thematic networks - REDISSEC (Health Services Research on Chronic Diseases Network (RD12/0001/0007))
Received: 22 April 2016
Accepted: 14 January 2018
First Online: 29 January 2018
Ethics approval and consent to participate
: The Clinical Research Ethics Committees of the Parc Taulí Sabadell-University Hospital; Hospital del Mar; Fundació Unió Catalana d’Hospitals; Gipuzkoa Health Area; Basque Country (CEIC-E); Hospital Galdakao-Usansolo; Hospital Txagorritxu; Hospital Basurto; La Paz University Hospital; Fundación Alcorcón University Hospital; Hospital Universitario Clínico San Carlos (formerly Clinical Research Ethics Committee of Area 7 – Hospital Clínico San Carlos); Costa del Sol Health Agency and the Regional Committee of Clinical Trials of Andalusia approved the study, and all patients provided written informed consent.
: Not applicable.
: The authors declare that they have no competing interests.
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