David Israel Contreras-Medina is Research Professor at Universidad de Guanajuato, Mexico, and Member of the Mexican National System of Researchers.
Elia Socorro Dìaz Nieto is Research Professor at Autonomous University of Queretaro, Mexico, and Member of the Mexican National System of Researchers.
Sergio Ernesto Medina-Cuéllar is Research Professor at Universidad de Guanajuato, Mexico, and Member of the Mexican National System of Researchers.
Noé Aguilar-Rivera is Research Professor at Veracruzana University, Mexico, and Member of the Mexican National System of Researchers.
