1. Division of Cardiovascular Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester Academic Health Sciences Center, Manchester M13 9NT, U.K.
2. King’s College London, Cardiovascular Division, British Heart Foundation Centre of Excellence, Rayne Institute, St Thomas’ Hospital, London SE1 7EH, U.K.
3. Department of Pharmacology, University of Vermont, Burlington, VT 05405-0068, USA.
4. Division of Clinical Physiology, Institute of Cardiology, Research Centre for Molecular Medicine, Faculty of Medicine, University of Debrecen, Debrecen 4012, Hungary.