About the Authors

Margarita Camorlinga-Ponce

Affiliation Unidad de Investigacion en Enfermedades Infecciosas, Instituto Mexicano del Seguro Social, Mexico D.F., Mexico

Guillermo Perez-Perez

Affiliation School of Medicine, New York University, New York, New York, United States of America

Gerardo Gonzalez-Valencia

Affiliation Unidad de Investigacion en Enfermedades Infecciosas, Instituto Mexicano del Seguro Social, Mexico D.F., Mexico

Irma Mendoza

Affiliation Unidad de Investigacion en Enfermedades Infecciosas, Instituto Mexicano del Seguro Social, Mexico D.F., Mexico

Rosenda Peñaloza-Espinosa

Affiliation Unidad de Investigacion en Genetica Humana, Instituto Mexicano del Seguro Social, Mexico D.F., Mexico

Irma Ramos

Affiliation Unidad de Investigacion en Enfermedades Infecciosas, Instituto Mexicano del Seguro Social, Mexico D.F., Mexico

Dangeruta Kersulyte

Affiliation Department of Molecular Microbiology, Washington University School of Medicine, St. Louis, Missouri, United States of America

Adriana Reyes-Leon

Affiliation Instituto Nacional de Pediatria, Secretaria de Salud, Mexico D.F., Mexico

Carolina Romo

Affiliation Instituto Nacional de Pediatria, Secretaria de Salud, Mexico D.F., Mexico

Julio Granados

Affiliation Instituto Nacional de la Nutricion y Ciencias Medicas, Secretaria de Salud, Mexico D.F., Mexico

Leopoldo Muñoz

Affiliation Unidad de Investigacion en Enfermedades Infecciosas, Instituto Mexicano del Seguro Social, Mexico D.F., Mexico

Douglas E. Berg

Affiliation Department of Molecular Microbiology, Washington University School of Medicine, St. Louis, Missouri, United States of America

Javier Torres

jtorresl57@yahoo.com.mx

Affiliation Unidad de Investigacion en Enfermedades Infecciosas, Instituto Mexicano del Seguro Social, Mexico D.F., Mexico

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JT MCP GPP GGV. Performed the experiments: GGV MCP IM RPE CR IR LM DK JG. Analyzed the data: ARL GPP JT DB JG MCP. Wrote the paper: JT GPP. Contributed in writing the paper: MCP RPE DB.