1. Division of Rheumatology, Department of Internal Medicine, Inje University Seoul Paik Hospital, Inje University College of Medicine, Seoul, Korea
2. Division of Nephrology, Department of Internal Medicine, Inje University Seoul Paik Hospital, Inje University College of Medicine, Seoul, Korea
3. Department of Statistics and Data Science, Korea National Open University, Seoul, Korea
4. Department of Rheumatology, Hanyang University Hospital for Rheumatic Diseases, Seoul, Korea