*Nagisa Ueno1, Minori Yoshikawa1, Hiromi Murakami2, Tomomi Wakabayashi3, Koki Kosami4, Takashi Nakamura1, Yoshikazu Nakamura5
(1. Southern Tochigi Public Health Center, 2. Eastern Tochig Public Health Center, 3. Tochigi Prefecture Health and Welfare Services Division, 4. Division of Public Health, Center for Community Medicine, Jchi Medical University, 5. Utsunomiya Public Health Center)
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