1. Division of Rheumatology, Inflammation, and Immunity, Department of Medicine, Brigham and Women’s Hospital and Harvard Medical School, Boston, MA, USA
2. Department of Emergency and General Medicine, Kyorin University School of Medicine, Tokyo, Japan
3. Immuno-Rheumatology Center, St. Luke’s International Hospital, Tokyo, Japan
4. Department of Medicine, John A. Burns School of Medicine, University of Hawaiʻi, Honolulu, HI, USA
5. Department of Nephrology and Rheumatology, Kyorin University School of Medicine, Tokyo, Japan