1. Laboratory of Soil Ecology, Department of Chemistry and Biochemistry, Instituto Tecnológico de Tuxtla-Gutiérrez, Tecnológico Nacional de México, Tuxtla-Gutiérrez, Mexico
2. Laboratory of Soil Ecology, Cinvestav, Mexico City, Mexico
3. Departamento de Biología de la Conducta, CONACYT-Tlaxcala Autonomous University, Tlaxcala, Mexico