1. Faculty of Health Sciences, Centre for Healthy Ageing and Wellness (H-CARE), Speech Sciences Programme, Universiti Kebangsaan Malaysia, Kuala Lumpur, Malaysia
2. Department of Educational Psychology and Leadership and Counseling, Texas Tech University, Lubbock, TX, USA
3. Faculty of Health Sciences, Speech Sciences Programme, Universiti Kebangsaan Malaysia, Kuala Lumpur, Malaysia
4. Faculty of Health Sciences, Centre for Rehabilitation & Special Needs Studies, Programme of Clinical Psychology and Behavioural Health, Universiti Kebangsaan Malaysia, Kuala Lumpur, Malaysia
5. Department of Communication Sciences and Disorders, Rockhurst University, Kansas City, MO, USA
6. School of Medical and Health Sciences, Edith Cowan University, Joondalup, WA, Australia
7. School of Allied Health Science and Practice, Adelaide University, Adelaide, Australia