Ramos-Esquivel, A. http://orcid.org/0000-0002-6633-771X
Cordero-García, E.
Brenes-Redondo, D.
Alpízar-Alpízar, W.
Article History
First Online: 13 July 2018
Compliance with Ethical Standards
: The study was approved by the Ethical Scientific Committee of the University of Costa Rica (no. 817-B2-371) and the Institutional Scientific Ethics Committee of the Caja Costarricense del Seguro Social (R013-SABI-00048). *The abstract of this manuscript was presented at the ESMO XX World Congress on Gastrointestinal Cancer 2018, Barcelona, Spain.
: The authors declare that they have no conflict of interest.