1. Department of Molecular Pathology, Tokyo Medical University, Tokyo, Japan;
2. Department of Diagnostic Pathology, NTT Medical Center Tokyo, Tokyo, Japan;
3. Department of Pathology, Kyorin University School of Medicine, Tokyo, Japan;
4. Department of Anatomic Pathology, Tokyo Medical University, Tokyo, Japan;
5. Department of Rheumatology, Juntendo Koshigaya Hospital, Saitama, Japan;
6. Department of Medical Education Promotion Center, Tokyo Medical University, Tokyo, Japan