1. Center of Pharmacological and Toxicological Research (IFT), Molecular and Clinical Pharmacology Program, ICBM, Faculty of Medicine, University of Chile, Santiago, Chile
2. Department of Cardiology, University of Chile Clinical Hospital, Santiago, Chile
3. School of Medical Technology, Faculty of Medicine, University of Chile, Santiago, Chile
4. School of Public Health, Faculty of Medicine, Epidemiology Division, University of Chile, Santiago, Chile