1. Department of Environmental Health, Osaka Prefectural Institute of Public Health, Osaka, Japan;
2. Laboratory of Applied Pharmacology, Tokyo University of Science, Noda, Japan;
3. Department of Environmental Medicine and Behavioural Science, Kindai University Faculty of medicine, Osakasayama, Japan;
4. Department of Public Health, Sagami Women’s University, Sagamihara, Japan;
5. Department of Natural Sciences, College of Liberal Arts, International Christian University, Mitaka, Japan;
6. Department of Applied Chemistry, Graduate School of Engineering, Osaka Prefecture University, Sakai, Japan