1. Division of Rheumatology and Allergology, Department of Internal Medicine St. Marianna University School of Medicine Kawasaki Japan
2. Department of Radiology St. Marianna University School of Medicine Kawasaki Japan
3. Medical Center of Rheumatic Disease Seirei Yokohama Hospital Yokohama Japan
4. Department of Proton Therapy and Tumor Imaging St. Marianna University School of Medicine Kawasaki Japan