1. School of Biomedical Engineering and Imaging Sciences, King's College London, London, U.K.
2. Cardiovascular Department, Guy's and St Thomas' NHS Foundation Trust, London, U.K.
3. School of Cardiovascular Medicine and Sciences, King's College London, London, U.K.
4. State Key Laboratory of Multimodal Artificial Intelligence Systems, Institute of Automation, Chinese Academy of Sciences, Beijing, China