[1] Int Islamic Univ Malaysia, Dept Special Care Nursing, Kulliyyah Nursing, Kuantan 25200, Pahang Darul Ma, Malaysia
[2] Kuwait Univ, Fac Publ Hlth, Dept Hlth Policy & Management, Safat 5969, Kuwait
[3] Univ Kebangsaan Malaysia, Fac Med, Int Ctr Casemix & Clin Coding, Kuala Lumpur 56000, Malaysia