Text and Data Mining valid from 2018-09-03
Received: 3 May 2017
Accepted: 22 August 2018
First Online: 3 September 2018
Ethics approval and consent to participate
: The Ethics and Research Committee of the Regional University Hospital of Málaga (Spain) has approved and registered this study (reference number shs-ico-2015-01). Consent to participate will be obtained from all participants. Also, parental consent will be obtained for participants under the age of 18.
: Not applicable.
: The authors declare that they have no competing interests.
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