Affiliation: | 1. Department of Pathophysiology, Hospital de Clínicas, School of Medicine, Universidad de la República, Montevideo, Uruguay;2. Department of Cardiology, Centro Cardiovascular Universitario, Hospital de Clínicas, School of Medicine, Universidad de la República, Montevideo, Uruguay;3. Area del Cor, Hospital Vall d'Hebron, Barcelona, Spain;4. Physiology Department, School of Medicine, Universitat Autonoma, Barcelona, Spain |