1. Audiology Programme, Centre for Rehabilitation & Special Needs Studies, Faculty of Health Sciences, Universiti Kebangsaan Malaysia, Kuala Lumpur, Malaysia
2. Centre for Ear, Hearing and Speech, Faculty of Health Sciences, Universiti Kebangsaan Malaysia, Kuala Lumpur, Malaysia
3. Graduate School of Business, Universiti Kebangsaan Malaysia, Bangi, Malaysia
4. Unit Audiologi, Hospital Rehabilitasi Cheras, Ministry of Health Malaysia, Jalan Ya'acob Latiff, Cheras, Malaysia
5. Unit Audiologi, Hospital Sungai Buloh, Ministry of Health Malaysia, Jalan Hospital, Sungai Buloh, Malaysia