1. Division of Cardiology, Department of Medicine and Therapeutics, Prince of Wales Hospital, Hong Kong, China
2. Department of Cardiology, Shanghai Chest Hospital, Shanghai Jiao Tong University, Shanghai, China
3. Xiamen Cardiovascular Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen, China
4. Division of Cardiology, Department of Medicine and Therapeutics, Prince of Wales Hospital, Hong Kong, China; Li Ka Shing Institute of Health Sciences, Chinese University of Hong Kong, Hong Kong, China