National Institutes of Health, NINDS, Human Motor Control Section, Bethesda, Maryland, US; Universidad del Desarrollo, Facultad de Medicina Clínica Alemana, Av Vitacura, Vitacura, Región Metropolitana
National Institutes of Health, NINDS, Human Motor Control Section, Bethesda, Maryland; National Institutes of Health, NINDS, Molecular Neuropharmacology Unit, Bethesda, MD
National Institutes of Health, NINDS, Human Motor Control Section, Bethesda, Maryland; Department of Neurology, University of California, Irvine, California