- Correspondence to Dr Cheng-Hsun Chiu, Division of Pediatric Infectious Diseases, Department of Pediatrics, Chang Gung Children's Hospital, 5 Fu-Hsin Street, Kweishan, Taoyuan 333, Taiwan;
- Received March 4, 2013
- Revised July 18, 2013
- Accepted July 20, 2013
- First published August 13, 2013.
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