1. Department of Neonatal Medicine, Nippon Medical School, Musashikosugi Hospital
2. Department of Obstetrics and Gynecology, Nippon Medical School, Musashikosugi Hospital
3. Department of Pediatric Surgery, Nippon Medical School, Musashikosugi Hospital
4. Department of Cardiovascular Surgery, Nippon Medical School
5. Department of Pediatrics, Nippon Medical School, Musashikosugi Hospital