1. Alice Lee Centre for Nursing Studies, Yong Loo Lin School of Medicine National University of Singapore Singapore City Singapore
2. Nursing Department, Alexandra Hospital National University Health System Singapore City Singapore
3. Nursing Department, Ng Teng Fong General Hospital National University Health System Singapore City Singapore
4. Nursing Department National University Hospital, National University Health System Singapore City Singapore
5. Department of Emergency Medicine, Ng Teng Fong General Hospital National University Health System Singapore City Singapore