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Funding information correction

Posted by cmunozalmagro on 13 Jan 2016 at 15:37 GMT

This work is funded by the "Plan Nacional de I+D+I and Instituto de Salud Carlos III- Subdirección General de Evaluación y Fomento de la Investigación Sanitaria", project PI10/02058, and the European Regional Development Fund (FEDER).
The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.

No competing interests declared.