[1] Univ Teknol MARA UiTM, Fac Hlth Sci, Puncak Alam Campus, Selangor 42300, Malaysia
[2] Raja Permaisuri Bainun Hosp, Intens Care Unit, Ipoh, Perak, Malaysia
[3] Univ Teknol MARA UiTM, Fac Med, Dept Psychiat, Sungai Buloh Campus, Sungai Buloh 47000, Malaysia
[4] Univ Aisyiyah Bandung, Bandung, Indonesia