1. Institute for Translational Sciences, University of Texas Medical Branch, Galveston, TX, USA
2. Department of Microbiology and Immunology, University of Texas Medical Branch, Galveston, TX, USA
3. Institute for Human Infections and Immunity, University of Texas Medical Branch, Galveston, TX, USA
4. UANL-FCB Monterrey, San Nicolás de los Garza, Mexico
5. Instituto Nacional de Salud Publica CRISP, Tapachula, Mexico