1. Department of Cardiovascular Science at the University of Sheffield and Cardiology Department at Sheffield Teaching Hospitals NHS Trust; Sheffield UK
2. Cardiovascular Centre; University of Michigan; Ann Arbor MI USA
3. Department of Human Metabolism at the University of Sheffield and Endocrinology Department at Sheffield Teaching Hospitals NHS Trust; Sheffield UK
4. INSERM, Centre d'Investigation Clinique and Centre Hospitalier Universitaire, and the Department of Cardiology; Nancy University, Université de Lorraine; Nancy France