Response to 'Correspondence on "Tumour necrosis factor inhibitors slow radiographic progression in patients with ankylosing spondylitis: 18-year real-world evidence" by Zhang et al

Affiliations

• ¹ Department of Internal Medicine, Inje University Seoul Paik Hospital, Inje University College of Medicine, Seoul, Republic of Korea.
• ² Department of Biomedical Informatics, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea.
• ³ Department of Clinical Epidemiology and Biostatistics, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Republic of Korea.
• ⁴ Department of Rheumatology, Hanyang University Hospital for Rheumatic Diseases, Seoul, Republic of Korea.
• ⁵ Department of Rheumatology, Department of Internal Medicine, Korea University Guro Hospital, Seoul, Republic of Korea.
• ⁶ Department of Radiology, Hanyang University Hospital for Rheumatic Diseases, Seoul, Republic of Korea.
• ⁷ Department of Rheumatology, Hanyang University Hospital for Rheumatic Diseases, Seoul, Republic of Korea thkim@hanyang.ac.kr.