1. Department of Obstetrics and Gynecology, University of Toyama, Toyama, Japan;
2. Department of Epidemiology and Health Policy, Graduate School of Medicine and Pharmaceutical Sciences University of Toyama, Toyama, Japan;
3. Department of Maternal Fetal Medicine, Osaka Women’s and Children’s Hospita, Osaka, Japan;
4. Department of Obstetrics and Gynecology, Osaka Medical College, Osaka, Japan;
5. Department of Obstetrics and Gynecology, Faculty of Medicine, Juntendo University, Tokyo, Japan;
6. Department of Internal Medicine, Division of Rheumatology and Clinical Immunology, Kobe University Graduate School of Medicine, Kobe, Japan;
7. Department of Rheumatology, Faculty of Medicine, Shimane University, Shimane, Japan;
8. Department of Internal Medicine, Division of Rheumatology, Hyogo College of Medicine, Hyogo, Japan;
9. Department of Rheumatology, National Hospital Organization Shimoshizu National Hospital, Yotuskaido City, Japan;
10. Department of Gastroenterology and Hepatology, Tokyo Medical and Dental University, Tokyo, Japan;
11. Inflammatory Bowel Disease Center, Sakura Medical Center, Toho University, Chiba, Japan;
12. Clinical Research Center, Tokyo Medical and Dental University Hospital of Medicine, Tokyo, Japan;
13. Center for Maternal-Fetal-Neonatal and Reproductive Medicine, National Center for Child Health and Development, Tokyo, Japan;
14. Department of Rheumatology, Endocrinology and Nephrology, Graduate School of Medicine and Faculty of Medicine, Hokkaido University, Sapporo, Japan;
15. Department of Pediatrics, Graduate School of Medical and Dental Sciences, Kagoshima University, Kagoshima, Japan;
16. Department of Pediatric Rheumatology, Institute of Rheumatology, Tokyo Women's Medical University, Tokyo, Japan;
17. Department of Pediatric and Neonatal Intensive Care, The University of Tokyo Hospital, Tokyo, Japan;
18. Department of Pharmacy, National hospital organization Sagamihara National Hospital, Kanagawa, Japan