1. Department of Allergy and Rheumatology, Graduate School of Medicine, The University of Tokyo,
Tokyo, Japan
2. Division of Rheumatology, Department of Internal Medicine, Keio University School of Medicine,
Tokyo, Japan
3. Institute of Rheumatology, Tokyo Women's Medical University,
Tokyo, Japan
4. Department of Orthopedic Surgery, Nagoya University Graduate School and Faculty of Medicine,
Nagoya, Aichi, Japan
5. First Department of Internal Medicine, University of Occupational and Environmental Health, Japan,
Fukuoka, Japan
6. Sasebo City General Hospital,
Sasebo, Nagasaki, Japan
7. Research Division for Development of Anti-Infectious Agents, Institute of Development, Aging and Cancer, Tohoku University,
Sendai, Miyagi, Japan
8. Division of Biostatistics and Clinical Epidemiology, University of Toyama School of Medicine,
Toyama, Japan
9. Department of Clinical Research and Development, Otsuka Pharmaceutical Co., Ltd,
Tokyo, Japan
10. Development-Japan, UCB Pharma,
Tokyo, Japan
11. Department of Rheumatology, Leiden University Medical Centre,
Leiden, The Netherlands
12. Department of Medicine and Rheumatology, Graduate School of Medicine and Dentistry, Tokyo Medical and Dental University,
Tokyo, Japan
13. Department of Medicine II, Hokkaido University Graduate School of Medicine,
Sapporo, Hokkaido, Japan