1. The First Department of Internal Medicine, University of Occupational and Environmental Health , Japan, Kitakyushu, Japan
2. Division of Rheumatology, Department of Internal Medicine, Keio University School of Medicine , Tokyo, Japan
3. Corporate Strategy Department , Astellas Pharma Inc., Tokyo, Japan
4. Biostatistics Group , Japan-Asia Data Science, Development, Astellas Pharma Inc., Tokyo, Japan
5. Astellas Pharma Inc. , Tokyo, Japan
6. Japan-Asia Clinical Development 1 , Development, Astellas Pharma Inc., Tokyo, Japan
7. Medical Science, Medical Affairs Japan , Astellas Pharma Inc., Tokyo, Japan
8. Department of Rheumatology, Leiden University Medical Center , Leiden, The Netherlands