1. Doctoral Study Program in Medical and Health Sciences, Faculty of Medicine, Public Health and Nursing , Universitas Gadjah Mada , Yogyakarta , Indonesia
2. Departement of Health Bahavior, Environment and Social Medicine, Faculty of Medicine, Public Health and Nursing , Universitas Gadjah Mada , Yogyakarta , Indonesia
3. Center of Health Behavior and Promotion, Faculty of Medicine, Public Health and Nursing , Universitas Gadjah Mada , Yogyakarta , Indonesia