[1] Univ Malaya, Fac Med, Dept Paediat, Div Paediat Neurol, Kuala Lumpur, Malaysia
[2] Sabah Women & Children Hosp, Paediat Dept, Sabah, Malaysia
[3] Univ Nottingham, Sch Comp Sci, Malaysia Campus, Semenyih, Selangor, Malaysia
[4] Minist Hlth, Sabah Women & Children Hosp, Clin Res Ctr CRC, Kota Kinabalu, Sabah, Malaysia
[5] Univ Malaya, Div Paediat Neurol, Dept Paediat, Med Ctr, Kuala Lumpur, Malaysia
[6] Univ Teknol Mara, Fac Med, Paediat Unit, Batu Caves, Selangor Darul, Malaysia
[7] Univ Malaya, Fac Med, Dept Paediat, Div Paediat Neurol, Kuala Lumpur 50603, Malaysia