Funding for this research was provided by:
Ministerio de Economía y Competitividad (PCIN-2016-005, ECO2015-66314-R, CSO2016-80484-R)
Text and Data Mining valid from 2018-03-13
Received: 31 October 2017
Accepted: 8 March 2018
First Online: 13 March 2018
Ethics approval and consent to participate
: All procedures were conducted in accordance with the ethical standards of the Generalitat de Catalunya research committee. All the individuals that responded to the survey were informed of the official nature of the Catalan Health Survey, and their obligation to provide the statistical information requested completely and truthfully. Informed consent was obtained from all individual participants included in the study.
: Not applicable.
: The authors declare that they have no competing interests.
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