1. Yong Loo Lin School of Medicine, National University of Singapore, Singapore
2. Alice Lee Centre for Nursing Studies, National University of Singapore, Singapore
3. Department of Cardiology, National University Heart Centre Singapore, Singapore
4. Department of Cardiac, Thoracic and Vascular Surgery, National University Heart Centre, Singapore
5. Cardiovascular Research Institute, National University of Singapore, Singapore
6. Division of Cardiology, Department of Medicine, Ng Teng Fong General Hospital, Singapore