1. Department of Immunology and Rheumatology, Unit of Advanced Preventive Medical Sciences, Division of Advanced Preventive Medical Sciences, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
2. Clinical Research Center, Nagasaki University Hospital, Nagasaki, Japan
3. Department of Obstetrics and Gynecology, Nagasaki University Graduate School of Biomedical Science, Nagasaki, Japan
4. Department of Rheumatology, Clinical Research Center, NHO Nagasaki Medical Center, Omura, Japan
5. Department of Rheumatology, JCHO Isahaya General Hospital, Isahaya, Japan
6. Department of Rehabilitation Sciences, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
7. Department of Obstetrics and Gynecology, NHO Nagasaki Medical Center, Omura, Japan