1. Department of Nephrology, Kobe City Medical Center West Hospital, Japan
2. Department of Respiratory Medicine, Kobe City Medical Center West Hospital, Japan
3. Department of Dermatology, Kobe City Medical Center West Hospital, Japan
4. Department of Rheumatology, Kobe City Medical Center West Hospital, Japan
5. Department of Pathology, Kobe City Medical Center West Hospital, Japan
6. Department of Rheumatology, Hyogo Medical University, Japan