1. Alice Lee Centre for Nursing Studies, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 117597, Singapore
2. Department of Nursing, Ng Teng Fong General Hospital, Singapore 609606, Singapore
3. Department of Nursing, Khoo Teck Puat Hospital, Singapore 768828, Singapore
4. Department of Nursing, Tan Tock Seng Hospital, Singapore 308433, Singapore
5. Department of Nursing, Singapore General Hospital, Singapore 169608, Singapore
6. Yong Loo Lin School of Medicine, National University of Singapore, Singapore 117597, Singapore
7. Department of Cardiology, National University Heart Centre, Singapore 119074, Singapore
8. Department of Food Science and Nutrition, The Hong Kong Polytechnic University, Hong Kong