1. Division of Environmental Medicine and Population SciencesDepartment of Social and Environmental MedicineGraduate School of MedicineOsaka University Suita Japan
2. Department of Public HealthHyogo College of Medicine Nishinomiya Japan
3. Nara Medical University Kashihara Japan
4. Graduate School of Environmental StudiesTohoku University Sendai Japan
5. Amagasaki City Health and Welfare Bureau Amagasaki Japan