1. Department of Physiology and Cell Biology, University of Nevada, Reno School of Medicine, Reno, Nevada;
2. Departamento de Fisiologia e Biofísica, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Minas Gerais, Brazil; and
3. Department of Pharmacology, University of Nevada, Reno School of Medicine, Reno, Nevada