1. Graduate Program on Immunology; ENCB-IPN; Mexico City Mexico
2. Medical Research Unit on Immunochemistry; Specialties Hospital of the National Medical Centre “Siglo XXI” Mexican Social Security Institute (IMSS); Mexico City Mexico
3. Medical Research Unit in Thrombosis, Hemostasis and Atherogenesis; Regional General Hospital Dr. Carlos MacGregor Sánchez Navarro, IMSS; Mexico City Mexico
4. Education and Research Division; Woman Hospital, Health Ministry; Mexico City Mexico
5. Graduate Program on Chemical and Biological Sciences; ENCB-IPN; Mexico City Mexico
6. Gastrointestinal Surgery Service; Specialties Hospital of the National Medical Centre “Siglo XXI”, IMSS; Mexico City Mexico
7. Molecular Immunology Laboratory; Immunology Department, ENCB-IPN; Mexico City Mexico