Cardiology Department, Gaia Hospital Center, Vila Nova de Gaia, Portugal; Department of Surgery and Physiology, Faculty of Medicine, University of Porto, Porto, Portugal; Corresponding author.
Ricardo Ladeiras-Lopes
Cardiology Department, Gaia Hospital Center, Vila Nova de Gaia, Portugal; Department of Surgery and Physiology, Faculty of Medicine, University of Porto, Porto, Portugal
Nuno Dias Ferreira
Cardiology Department, Gaia Hospital Center, Vila Nova de Gaia, Portugal