1. Department of Neurology, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, Serdang, Malaysia
2. Department of Rehabilitation Medicine, Hospital Pengajar Universiti Putra Malaysia, Serdang, Malaysia
3. Department of Radiology, Hospital Pengajar Universiti Putra Malaysia, Serdang, Malaysia
4. Department of Rehabilitation Medicine, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, Serdang, Malaysia