[1] Univ New South Wales, Med, Sydney, NSW, Australia
[2] Univ Sains Malaysia, Sch Pharmaceut Sci, George Town, Malaysia
[3] Hosp Sultanah Nur Zahirah, Clin Res Ctr, Kuala Terengganu, Malaysia
[4] Hosp Sultanah Nur Zahirah, Neurol, Kuala Terengganu, Malaysia