[1] Univ Kebangsaan Malaysia Med Ctr, Dept Psychiat, Jalan Yaacob Latif, Cheras 56000, Wilayah Perseku, Malaysia
[2] Hosp Bintulu, Dept Psychiat & Mental Hlth, Sarawak 97000, Malaysia
[3] Hosp Kuala Lumpur, Dept Psychiat & Mental Hlth, Kuala Lumpur 50586, Wilayah Perseku, Malaysia
[4] Sarawak Gen Hosp, Clin Res Ctr, Sarawak 93586, Malaysia