1. Department of Laboratory Medicine, Saga Medical School, Saga
2. Department of Pediatrics, Fukuoka National Hospital, Fukuoka
3. Department of Obstetrics and Gynecology, Saga Medical School, Saga
4. Shino-Test Corporation, Sagamihara
5. Division of Medical Biochemistry, Department of Biomolecular Sciences, Saga Medical School, Saga, Japan