- Correspondence to Dr Yu-Sheng Chang, Division of Allergy, Immunology, and Rheumatology, Department of Internal Medicine, Taipei Medical University-Shuang Ho Hospital, New Taipei City 23561, Taiwan;
- Received November 29, 2018
- Revised March 12, 2019
- Accepted March 13, 2019
- First published April 6, 2019.
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