About the Authors

Seong-Ho Kim

Affiliation Division of Rheumatology, Department of Internal Medicine, Haeundae Paik Hospital, College of Medicine, Inje University, Haeundae-gu, Busan, South Korea

Youngho Lee

Affiliation Department of Biomedical Engineering/UHRC, Inje University, Gimhae, Gyeongnam, South Korea

Sunggun Lee

Affiliation Division of Rheumatology, Department of Internal Medicine, Haeundae Paik Hospital, College of Medicine, Inje University, Haeundae-gu, Busan, South Korea

Chi-Woong Mun

mcw@inje.ac.kr

Affiliation Department of Biomedical Engineering/UHRC, Inje University, Gimhae, Gyeongnam, South Korea

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: SHK CWM. Performed the experiments: YL SL. Analyzed the data: YHL SL. Contributed reagents/materials/analysis tools: SHK CWM. Wrote the manuscript: YL CWM. Clinical data analysis: SHK SL. Obtained permission of IRB: SHK SL. Writing manuscript: YL CWM.