Funding for this research was provided by:
Universidad Cooperativa de Colombia (Convocatoria Sostenibilidad 2014 and Grant 1882-2017)
Received: 4 October 2016
Accepted: 23 January 2018
First Online: 30 January 2018
Ethics approval and consent to participate
: The Research and Ethics Committees of the Universidad Cooperativa de Colombia (Act from meeting April 16th of 2015) and by the technical committee of the E.S.E. Jorge Cristo Sahium Hospital (Rad # 087, July 28th, 2015) approved this study. Informed written consent was obtained from the parents or legal guardian of the patient before inclusion in the study. All persons 18 years and older signed the agreement or informed consent. In the case of children under 18 years old, the informed written consent was obtained from their parent or legal guardian.
: Not applicable
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.