Introduction (to the chapter, how literature review conducted) Theoretical review on topics below 1. Concept of pain 2. Physiology of wound pain 3. Pain Assessment and management in Diabetic wound 4. Theories of pain 5. The concept of Health-Related Quality of Life EMPIRICAL REVIEW on (review of studies related to the areas below) 1. Diabetic foot ulcers, pain, and health-related quality of life 2. Diabetic wound care and Pain Experiences 3. Sociodemographic (Age, gender, ethnicity, religion, marital status, level of education, and living condition in the house) influence on pain and health-related quality of life 4. Clinical characteristic (duration of foot ulcer, site of foot ulcer, foot ulcer episode, severity of foot ulcer dressing change, Type of Dressing co-morbidities) influence on pain and health-related quality of life Note: 1. Referencing style APA sixth edition, both in-text citation and references ( should not be too old, it should be 5 – 8years old and not more than 10years old) ?