1. Department of Physiology, Eulji University School of Medicine, Daejeon, Korea
2. Department of Mechanical Engineering, the Cooper Union, New York, NY, USA
3. Division of Rheumatology, Department of Medicine, Eulji University School of Medicine, Daejeon, Korea
4. Eulji Medi-Bio Research Institute, Eulji University School of Medicine, Daejeon, Korea
5. Department of Radiology, Eulji University School of Medicine, Daejeon, Korea
6. Division of Rheumatology, Daejeon Rheumatoid & Degenerative Arthritis Center, Chungnam National University Hospital, Daejeon, Korea