1. Pharmacology Laboratory, National Institute of Pediatrics, Mexico City 04530, Mexico
2. Pharmacokinetics and Pharmacodynamics Laboratory, Division of Biological and Health Sciences, Universidad Autónoma Metropolitana, Mexico City 04960, Mexico
3. Molecular and Controlled Release Pharmacy Laboratory, Division of Biological and Health Sciences, Universidad Autónoma Metropolitana, Mexico City 04960, Mexico
4. Anesthesiology Department, INP, Mexico City 04530, Mexico