1. Department of Public Health, Shiga University of Medical Science
2. Department of Hygiene, School of Medicine, Wakayama Medical University
3. Center for Epidemiologic Research in Asia, Shiga University of Medical Science
4. Department of Preventive Medicine and Public Health, Faculty of Medicine, Fukuoka University
5. Department of Environmental Medicine and Public Health, Faculty of Medicine, Shimane University
6. Department of Medicine, Shiga University of Medical Science
7. Molecular Neuroscience Research Center, Shiga University of Medical Science