1. Universidad Autónoma de Guadalajara School of Medicine, Guadalajara, Mexico
2. Department of Pathology, Microbiology and Immunology
3. Department of Pediatrics, Division of Hematology/Oncology
4. Department of Pediatric Surgery, Vanderbilt University Medical Center, Nashville, TN, USA
5. Department of Molecular Physiology and Biophysics, Vanderbilt University, Nashville, TN, USA