About the Authors

Kwangwoo Kim

Affiliation Department of Rheumatology, Hanyang University Hospital for Rheumatic Diseases, Seoul, Republic of Korea

So-Young Bang

Affiliation Department of Rheumatology, Hanyang University Hospital for Rheumatic Diseases, Seoul, Republic of Korea

Dae Hyun Yoo

Affiliation Department of Rheumatology, Hanyang University Hospital for Rheumatic Diseases, Seoul, Republic of Korea

Soo-Kyung Cho

Affiliation Department of Rheumatology, Hanyang University Hospital for Rheumatic Diseases, Seoul, Republic of Korea

Chan-Bum Choi

Affiliation Department of Rheumatology, Hanyang University Hospital for Rheumatic Diseases, Seoul, Republic of Korea

Yoon-Kyoung Sung

Affiliation Department of Rheumatology, Hanyang University Hospital for Rheumatic Diseases, Seoul, Republic of Korea

Tae-Hwan Kim

Affiliation Department of Rheumatology, Hanyang University Hospital for Rheumatic Diseases, Seoul, Republic of Korea

Jae-Bum Jun

Affiliation Department of Rheumatology, Hanyang University Hospital for Rheumatic Diseases, Seoul, Republic of Korea

Young Mo Kang

Affiliation Division of Rheumatology, Department of Internal Medicine, Kyungpook National University School of Medicine, Daegu, Republic of Korea

Chang-Hee Suh

Affiliation Department of Rheumatology, Ajou University School of Medicine, Suwon, Republic of Korea

Seung-Cheol Shim

Affiliation Division of Rheumatology, Daejeon Rheumatoid & Degenerative Arthritis Center, Chungnam National University Hospital, Daejeon, Republic of Korea

Shin-Seok Lee

Affiliation Division of Rheumatology, Department of Internal Medicine, Chonnam National University Medical School and Hospital, Gwangju, Republic of Korea

Jisoo Lee

Affiliation Division of Rheumatology, Department of Internal Medicine, Ewha Womans University School of Medicine, Seoul, Republic of Korea

Won Tae Chung

Affiliation Division of Rheumatology, Department of Internal Medicine, Dong-A University, Busan, Republic of Korea

Seong-Kyu Kim

Affiliation Division of Rheumatology, Department of Internal Medicine, Arthritis & Autoimmunity Research Center, Catholic University of Daegu School of Medicine, Daegu, Republic of Korea

Jung-Yoon Choe

Affiliation Division of Rheumatology, Department of Internal Medicine, Arthritis & Autoimmunity Research Center, Catholic University of Daegu School of Medicine, Daegu, Republic of Korea

Swapan K. Nath

Affiliation Arthritis and Clinical Immunology Research Program, Oklahoma Medical Research Foundation, Oklahoma City, Oklahoma, United States of America

Hye-Soon Lee

Affiliation Department of Rheumatology, Hanyang University Hospital for Rheumatic Diseases, Seoul, Republic of Korea

Sang-Cheol Bae

scbae@hanyang.ac.kr

Affiliation Department of Rheumatology, Hanyang University Hospital for Rheumatic Diseases, Seoul, Republic of Korea

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: KK SCB. Performed the experiments: KK SCB. Analyzed the data: KK. Contributed reagents/materials/analysis tools: KK SYB DHY SKC CBC YKS THK JBJ YMK CHS SCS SSL JL WTC SKK JYC SKN HSL SCB. Wrote the paper: KK SCB.