[1] Department of Public Health and Preventive Medicine, Faculty of Medicine, Udayana University, Jalan P.B. Sudirman, Sudirman Denpasar Campus, Bali, Indonesia
[2] Department of Electrical Engineering, Engineering Faculty, Bukit Jimbaran Campus, Udayana University, Bali, Indonesia
[3] Department of Human Ecology, Graduate School of Environmental and Life Science, Okayama University, 3-1-1 Tsushima-naka, Kita-ku, Okayama,700-8558, Japan
[4] Department of Biochemistry, Faculty of Medicine, Udayana University, Jalan P.B. Sudirman, Sudirman Denpasar Campus, Bali, Indonesia
[5] Department of International Health Institute of Tropical Medicine, Nagasaki University, Japan
[6] Department of Infection Research Graduate School of Biomedical Sciences, Doctoral Leadership Program, Nagasaki University, Japan
[7] Department of Epidemiology, Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Kita-ku, Okayama,700-8558, Japan