1. Post Graduate Program in Public Health, Faculty of Medicine, Udayana University, Bali, Indonesia
2. Community and Preventive Medicine, Faculty of Medicine, Udayana University, Bali, Indonesia
3. Faculty of Medicine, School of Public Health, Udayana University, Bali, Indonesia
4. Faculty of Medicine, Kirby Institute, University of New South Wales, Kensington, New South Wales, Australia