1. Pharmacology Laboratory, National Institute of Pediatrics, Mexico City 04530, Mexico
2. Epidemiology and Infectology, National Institute of Respiratory Diseases, Mexico City 14080, Mexico
3. Oncology Service, National Institute of Pediatrics, Mexico City 04530, Mexico
4. Head of Research Coordination at Mexican Social Security Institute Foundation, Mexico City 06600, Mexico
5. Cytogenetics Laboratory, Department of Human Genetics, National Institute of Pediatrics, Mexico City 04530, Mexico
6. Molecular Biology Laboratory, Pulmonary Fibrosis Department, National Institute of Respiratory Diseases, Mexico City 14080, Mexico