About the Authors

Omar Hernando Avila-Poveda

oavila@colombia.com

Affiliation División de estudios de posgrado, Universidad del Mar, (UMAR), Puerto Ángel, Oaxaca, México

Quetzalli Yasú Abadia-Chanona

Affiliation Laboratorio de histología, Universidad del Mar (UMAR), Puerto Ángel, Oaxaca, México

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: OHAP. Performed the experiments: OHAP QYAC. Analyzed the data: OHAP QYAC. Contributed reagents/materials/analysis tools: OHAP. Wrote the paper: OHAP. Collected the specimens: OHAP QYAC. Obtained facilities and permission for use of histology equipment: OHAP. Instructed and supervised histological analyses: OHAP. Performed the histology: QYAC. Analysed and graphed the data: OHAP QYAC. Assembled and produced the composite images: OHAP.