[1] Univ Malaya, Dept Nursing Sci, Fac Med, Kuala Lumpur, Malaysia
[2] Univ Malaya, Dept Anaesthesiol, Fac Med, Kuala Lumpur, Malaysia
[3] Univ Malaya, Dept Social & Prevent Med, Fac Med, Kuala Lumpur, Malaysia
[4] JCUM, Kuala Lumpur, Malaysia
[5] Univ Malaya, Inst Educ Leadership, Kuala Lumpur, Malaysia
[6] Univ Malaya, Unit Enhancement Acad Performance ULPA, Kuala Lumpur, Malaysia