1. Speech Sciences Programme, Faculty of Health Sciences, Centre for Healthy Ageing and Wellness, Universiti Kebangsaan Malaysia, Kuala Lumpur
2. Speech Sciences Programme, Faculty of Health Sciences, Universiti Kebangsaan Malaysia, Kuala Lumpur
3. Faculty of Health Sciences, Universiti Kebangsaan Malaysia, Kuala Lumpur
4. Speech Sciences Programme, Faculty of Health Sciences, Centre of Rehabilitation & Special Needs, Universiti Kebangsaan Malaysia, Kuala Lumpur