Department of Neurology Hospital Pengajar Universiti Putra Malaysia Kuala Lumpur Malaysia;
Department of Neurology Hospital Pengajar Universiti Putra Malaysia Kuala Lumpur Malaysia;
Department of Medicine Based Faculty of Health Sciences Malaysia Sabah University Sabah Malaysia;
Department of Neurology Faculty of Medicine and Health Sciences Universiti Putra Malaysia Kuala Lumpur Malaysia;
Department of Neurology Faculty of Medicine and Health Sciences Universiti Putra Malaysia Kuala Lumpur Malaysia;
Department of Neurology Faculty of Medicine and Health Sciences Universiti Putra Malaysia Kuala Lumpur Malaysia;
Department of Radiology Hospital Pengajar Universiti Putra Malaysia Kuala Lumpur Malaysia;