1. Department of Nursing Division, Ng Teng Fong General Hospital, 1 Jurong East Street 21, Singapore, Singapore
2. Alice Lee Centre for Nursing Studies, Yong Loo Lin School of Medicine, National University of Singapore, Level 2, Clinical Research Centre, Block MD11, 10 Medical Drive, Singapore, Singapore
3. Department of Nursing Division, Ng Teng Fong General Hospital, Singapore