Fresán, Ana
Robles-García, Rebeca
González-Castro, Thelma Beatriz
Pool-García, Sherezada
Tovilla-Zárate, Carlos Alfonso
Hernández-Díaz, Yazmín
Juárez-Rojop, Isela Esther
López-Narváez, María Lilia
Article History
First Online: 11 April 2019
Compliance with Ethical Standards
: All procedures of the present study were in accordance with ethical standards of the Helsinki Declaration (World Medical Association CitationRef removed). The Ethics Review Board of the General Hospital of Comalcalco where patients were recruited and the University of Tabasco (UJAT-DAMC), Mexico approved the study. After receiving a comprehensive explanation of the nature and aims of the study, all patients enrolled gave their written informed consent to take part voluntarily in the study.
: The authors declare that they have no conflict of interest.
: All procedure followed were in accordance with the ethical standards of the responsible committee on human experimentation and with the Helsinki Declaration of 1975, as revised in 2000. Informed consent was obtained from all patients for being included in the study.