[1] Natl Univ Singapore, Yong Loo Lin Sch Med, Alice Lee Ctr Nursing Studies, Singapore 117595, Singapore
[2] Natl Univ Hlth Syst, Alice Lee Ctr Nursing Studies, Singapore, Singapore
[3] Natl Univ Hlth Syst, Natl Univ Hosp, Singapore, Singapore
[4] Princess Alexandra Hosp, Brisbane, Qld 4102, Australia
[5] Griffith Univ, Griffith Hlth, Sch Nursing & Midwifery, Gold Coast, Qld, Australia