1. Department of Pediatrics; Japanese Red Cross Narita Hospital; Narita Japan
2. Department of Pediatrics; National Hospital Organization; Nagoya Medical Center; Aichi Japan
3. Clinical Research Center; National Center for Child Health and Development; Tokyo Japan
4. Department of Pediatrics; St. Marianna University School of Medicine; Kawasaki Japan
5. Department of Pediatrics; Yamagata University School of Medicine; Yamagata Japan
6. Department of Pediatrics; National Kyushu Cancer Center; Fukuoka Japan
7. Laboratory of Clinical; Epidemiological and Health Services Research; Clinical Research Center; National Hospital Organization; Nagoya Medical Center; Aichi Japan
8. Department of Nutritional Science; Faculty of Psychological and Physical Science; Aichi Gakuin University; Aichi Japan
9. Department of Pathology; School of Medicine; Kurume University; Kurume Japan
10. Department of Pathology; National Center for Child Health and Development; Tokyo Japan
11. Department of Pediatrics; Sapporo Hokuyu Hospital; Sapporo Japan
12. Clinical Research Center; National Hospital Organization; Nagoya Medical Center; Aichi Japan
13. Advanced Medical Research Center; Aichi Medical University; Aichi Japan