1. Asahina Shinryoujo, Fujieda, Japan,
2. Department of Internal Medicine, Fujieda Municipal General Hospital, Fujieda, Japan,
3. Clinical Research Center, Shizuoka Prefectural Hospital Organization, Shizuoka, Japan,
4. Laboratory of Clinical Biochemistry, School of Pharmacy, Tokyo University of Pharmacy and Life Sciences, Hachiouji, Tokyo, Japan,
5. Departments of Gynecology and Obstetrics, and
6. Department of Pediatrics, Fujieda Municipal General Hospital, Fujieda, Japan