[1] Natl Univ Singapore, Yong Loo Lin Sch Med, Alice Lee Ctr Nursing Studies, Singapore, Singapore
[2] Khoo Teck Puat Hosp, APN & Special Nurse Dept, Yishun Hlth, Singapore, Singapore
[3] Univ Chester, Fac Hlth & Social Care, Wirral, Merseyside, England