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