1. 1Interdisciplinary Laboratory of Medical Investigation, School of Medicine, Federal University of Minas Gerais (UFMG), Belo Horizonte, Brazil
2. 2Department of Medicine, School of Medicine and Health Sciences, The George Washington University, Washington, DC 20052, U.S.A.
3. 3Department of Pharmacology and Physiology, School of Medicine and Health Sciences, The George Washington University, Washington, DC 20052, U.S.A.