1 The Hatter Cardiovascular Institute, University College London, London, United Kingdom; The National Institute of Health Biomedical Research Centre, University College London Hospitals, London, United Kingdom.
2 The Hatter Cardiovascular Institute, University College London, London, United Kingdom; The National Institute of Health Biomedical Research Centre, University College London Hospitals, London, United Kingdom; National Heart Research Institute Singapore, National Heart Centre Singapore, Singapore; Cardiovascular and Metabolic Disorders Program, Duke-National University of Singapore, Singapore. Electronic address: [email protected].