1. Neurophysiology, Behavior and Animal Welfare Assessment, DPAA, Universidad Autónoma Metropolitana (UAM), Mexico City, Mexico
2. Animal Welfare Area, Faculty of Veterinary Sciences (FCV). Universidad Nacional del Centro de la Provincia de Buenos Aires (UNCPBA), Argentina.
3. Department of Public Health, Faculty of Veterinary Science, National University of Litoral, Esperanza, Argentina.
4. Department of Livestock Sciences. Universidad Nacional Autónoma de México (UNAM), FESC. Mexico.
5. Emeritus Professor Universidad Autónoma Metropolitana-Iztapalapa, (UAM-I), Deparment of Biotechnology: Food Science, Mexico City, Mexico