- Correspondence to Dr Tsu-Yi Hsieh, Division of Allergy, Immunology and Rheumatology, Taichung Veterans General Hospital, No. 1650, Sec. 4, Taiwan Boulevard, Taichung 40705, Taiwan;
- Received February 16, 2017
- Revised May 18, 2017
- Accepted June 3, 2017
- First published June 29, 2017.
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