Text and Data Mining valid from 2019-01-08
Received: 8 June 2018
Accepted: 26 December 2018
First Online: 8 January 2019
Ethics approval and consent to participate
: 'Institutional review board (IRB) approval was obtained. Comité de Ética en Investigación del Hospital Universitario "Dr Jose Eleuterio González", CONBIOETICA -19-CEI-001-20160404. All participants' sites were approved by our IRB before participating in the recruitment of the study. All participants provided written informed consent.
: Not applicable.
: The authors declare they have no competing or financial interests.
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