1. Department of Pediatrics, Dr. Belisario Domínguez ISSSTE General Hospital, Tuxtla Gutiérrez, Chiapas, Mexico
2. Pediatric Intensive Care Unit, Dr. Belisario Domínguez ISSSTE General Hospital, Tuxtla Gutiérrez, Chiapas, Mexico
3. Patología Quirúrgica y Citopatológica del Centro, Tuxtla Gutiérrez, Chiapas, Mexico