1. 1Department of Pediatrics, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
2. 2Department of Pediatrics, Faculty of Medicine, Saga University, Saga, Japan
3. 3Research Center for Environment and Developmental Medical Sciences, Kyushu University, Fukuoka, Japan
4. 4Department of Obstetrics and Gynecology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
5. 5Department of Pediatrics, University of Occupational and Environmental Health, Kitakyushu, Japan
6. 6Regional Center for Japan Environment and Children's Study, University of Occupational and Environmental Health, Kitakyushu, Japan
7. 7Department of Perinatal and Pediatric Medicine, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan