[1] Univ Kebangsaan Malaysia, Fac Hlth Sci, Ctr Community Hlth Studies ReaCH, Jalan Raja Muda Abdul Aziz, Kuala Lumpur 50300, Malaysia
[2] Univ Kebangsaan Malaysia, Fac Hlth Sci, Ctr Rehabil & Special Needs Studies iCaRehab, Kuala Lumpur 50300, Malaysia