Affiliation: | 1. Department of Neonatology, NHO Okayama Medical Center, Okayama, Japan;2. Department of Obstetrics and Gynecology, NHO Okayama Medical Center, Okayama, Japan;3. Department of Otolaryngology, NHO Okayama Medical Center, Okayama, Japan;4. Department of Pediatrics, Okayama University Hospital, Okayama, Japan;5. Department of Pediatrics, Okayama Saiseikai General Hospital, Okayama, Japan;6. Department of Medical Science Mathematics, Medical Research Institute, Tokyo Medical and Dental University, Tokyo, Japan;7. Laboratory for Medical Science Mathematics, RIKEN Center for Integrative Medical Sciences, Yokohama, Japan;8. Department of Medical Genetics, Osaka Women's and Children's Hospital, Osaka, Japan |