1. Department of Preventive Medical Sciences, Fujita Health University School of Medical Sciences, Toyoake, Aichi, Japan
2. Department of Hygiene, Fujita Health University School of Medicine, Toyoake, Aichi, Japan
3. Department of Animal Science and Biotechnology, Azabu University School of Veterinary Medicine, Kanagawa, Japan
4. Department of Informative Clinical Medicine, Fujita Health University School of Medical Sciences, Toyoake, Aichi, Japan
5. Department of Hygiene and Preventive Medicine, Iwate Medical University, Yahaba-cho, Shiwa-gun, Iwate, Japan