1. Faculty of Medicine, Universiti Malaya, Kuala Lumpur, Malaysia
2. Breast Surgery Unit, Department of Surgery, Faculty of Medicine, Universiti Malaya, Kuala Lumpur, Malaysia
3. Centre for Epidemiology and Evidence-Based Practice, Department of Social and Preventive Medicine, Faculty of Medicine, Universiti Malaya, Kuala Lumpur, Malaysia
4. Nursing Science Department, Faculty of Medicine, Universiti Malaya, Kuala Lumpur, Malaysia