1. Investigación y Posgrado, Instituto Politécnico Nacional, CICATA-Altamira, Altamira, Tamaulipas, Mexico
2. School of Earth, Environmental, and Marine Sciences, University of Texas Rio Grande Valley, Brownsville, Texas, USA
3. Department of Biology, University of Texas Rio Grande Valley, Brownsville, Texas, USA
4. Departamento de Materiales Nanoestructurados, Instituto Politécnico Nacional, San Agustín Tlaxiaca, Hidalgo, Mexico