Funding for this research was provided by:
Instituto de Salud Carlos III (FIS PI14/01959)
Text and Data Mining valid from 2019-03-28
Received: 14 December 2018
Accepted: 20 March 2019
First Online: 28 March 2019
Ethics approval and consent to participate
: Ethical approval was obtained from the Clinical Research Ethical Committee of the Parc de Salut Mar, reference number: 2014/5714/1. Informed written consent is obtained from all participants. The written and oral information that given to the participants, stresses that their participation is voluntary and that they may withdraw at any time without having to give a reason.
: Not applicable.
: The authors declare that they have no competing interests.
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