Funding for this research was provided by:
Fundació la Marató de TV3 (785/U/2013)
Received: 13 May 2019
Accepted: 11 July 2019
First Online: 25 July 2019
Ethics approval and consent to participate
: Patients were informed through a patient information sheet outlining the details of the project. Completion of the patient consultation questionnaire was entirely on a voluntary basis in compliance with the ethics committees of the participating hospitals. The study project was approved by the Ethical and Research Committee of the Hospital Universitari Mutua Terrassa (Terrassa, Barcelona, Spain) (20-March-2013; acta 03/2013).
: Not applicable.
: None of the authors of this manuscript has any financial arrangement with any company whose product figures in the manuscript or that makes a competing product.CATLAB is the ‘Laboratory of Clinical Analyses’ of the participating hospitals, and it is not a commercial company.