- Correspondence to Dr Ki-Jo Kim, Division of Rheumatology, Department of Internal Medicine, St. Vincent’s Hospital, College of Medicine, The Catholic University of Korea, 93, Jungbu-daero, Paldal-gu, Suwon-si, Gyeonggi-do, 16247, Republic of Korea;
- Received November 16, 2018
- Revised February 26, 2019
- Accepted March 23, 2019
- First published April 5, 2019.
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