1. Division of Rheumatology Department of Internal Medicine Nagoya City University Hospital Nagoya Japan
2. Department of Respiratory Medicine, Allergy and Clinical Immunology Nagoya City University Graduate School of Medical Sciences Nagoya Japan
3. Department of Rheumatology Seirei Hamamatsu General Hospital Hamamatsu Japan
4. Department of Rheumatology Toyokawa City Hospital Toyokawa Japan