1. Department of Epidemiologic Research, Toho University, Tokyo, Japan;
2. Department of Pediatrics, Pritzker School of Medicine, Biological Sciences Division, University of Chicago, Chicago, IL;
3. Department of Health Sciences, University of Chicago, Chicago, IL;
4. Medical Support Center for Japan Environment and Children’s Study, Tokyo, Japan;
5. National Center for Child Health and Development, Tokyo, Japan;
6. Department of Public Health, Graduate School of Medicine, Juntendo University, Tokyo, Japan;
7. Department of Otolaryngology and Good Sleep Center, Nagoya City University, Nagoya, Japan;
8. Center for Relations Strategy, Nagasaki University, Nagasaki, Japan