1. Department of Nursing Science, Faculty of Medicine University of Malaya Kuala Lumpur Malaysia
2. Department of Anesthesiology, Faculty of Medicine University of Malaya Kuala Lumpur Malaysia
3. Department of Social and Preventive Medicine, Faculty of Medicine University of Malaya Kuala Lumpur Malaysia
4. Kulliyyah of Nursing, International Islamic University Malaysia Kuantan Malaysia
5. Melaka‐Manipal Medical College Mallaca Malaysia