Text and Data Mining valid from 2020-01-14
Received: 16 August 2019
Accepted: 6 January 2020
First Online: 14 January 2020
Ethics approval and consent to participate
: This research received approval by Hospital Universitario “Dr. José E. González” local Ethics Committee (PE17–00012), and a written informed consent were collected from each participant.
: Not applicable.
: The authors declare that they have no competing interests.