1. Department of Medicine and Research Center, Montreal Heart Institute and Université de Montréal, 5000 Bélanger Street East, Montreal, QC H1T 1C8, Canada
2. Department of Pharmacology and Therapeutics, McGill University Montreal, Montreal, QC, Canada
3. Institute of Pharmacology, West German Heart and Vascular Center, Faculty of Medicine, University Duisburg-Essen, Essen, Germany