- Correspondence to Dr Wataru Fukuda, Center for Rheumatic Disease, Japanese Red Cross Kyoto Daiichi Hospital, 15-749 Honmachi, Higashiyama-ku, Kyoto City, Kyoto 605-0981, Japan;
- Received May 27, 2016
- Revised November 7, 2016
- Accepted November 8, 2016
- First published December 1, 2016.
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