1. Department of Surgery, Faculty of Medicine and Health Sciences Universiti Malaysia Sabah Kota Kinabalu Sabah Malaysia
2. Department of Pathobiology and Medical Diagnostic, Faculty of Medicine and Health Sciences Universiti Malaysia Sabah Kota Kinabalu Sabah Malaysia
3. Department of Medicine, Faculty of Medicine and Health Sciences Universiti Malaysia Sabah Kota Kinabalu Sabah Malaysia
4. Department of Community and Family Medicine, Faculty of Medicine and Health Sciences Universiti Malaysia Sabah Kota Kinabalu Sabah Malaysia