1. Department of Obstetrics and Gynecology
2. Department of Preventive Medicine and
3. Department of Dermatology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
4. Department of Obstetrics and Gynecology, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
5. Fukuoka Institute of Health and Environmental Science, Fukuoka, Japan