- Correspondence to Dr Eun Bong Lee, Division of Rheumatology, Department of Internal Medicine, Seoul National University College of Medicine, Seoul 110-744, Republic of Korea;
- Received May 15, 2017
- Revised October 1, 2017
- Accepted October 22, 2017
- First published November 1, 2017.
If you wish to reuse any or all of this article please use the link below which will take you to the Copyright Clearance Center’s RightsLink service. You will be able to get a quick price and instant permission to reuse the content in many different ways.