1. Heart Foundation Research Centre, Griffith Health Institute; Griffith University; Gold Coast; Qld.; Australia
2. Department of Medicine; Norwegian University of Science and Technology; Trondheim; Norway
3. Department of Radiology and Utah Center for Advanced Imaging Research; University of Utah; Salt Lake City; UT; USA
4. UMR CNRS 7339, Faculté de Médecine de Marseille; Centre de Resonance Magnetique Biologique et Medicale; Marseille; France