1. Laboratory of Animal Reproductive Physiology, Biological Sciences Faculty Universidad Nacional Mayor de San Marcos Lima Perú
2. Endocrine and Reproductive Laboratory, Department of Biological and Physiological Science, Laboratory of Investigation and Development (LID), Faculty of Sciences and Philosophy Universidad Peruana Cayetano Heredia Lima Perú
3. Laboratory of Animal Reproduction, Faculty of Veterinary Medicine Universidad Nacional Mayor de San Marcos Lima Perú
4. Biological Sciences Faculty Universidad Nacional San Cristóbal de Huamanga Ayacucho Perú
5. Laboratory of Reproductive Biotechnology, Faculty of Engineering Sciences Universidad Nacional de Huancavelica Huancavelica Perú