1. Audiology Programme, School of Health Sciences, Universiti Sains Malaysia, Kelantan, Malaysia
2. Department of Neuroscience, School of Medical Sciences, Universiti Sains Malaysia, Kelantan, Malaysia
3. Department of Otorhinolaryngology, School of Medical Sciences, Universiti Sains Malaysia, Kelantan, Malaysia
4. Audiology Program, Centre for Rehabilitation and Special Needs Studies, Faculty of Health Sciences, Universiti Kebangsaan Malaysia, Jalan Raja Muda Abdul Aziz, Kuala Lumpur, Malaysia