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Authors
Wei, Yanping https://orcid.org/0000-0003-0566-1599
Zhou, Yan
Yuan, Jing
Ni, Jun
Qian, Min
Cui, Liying
Peng, Bin
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Article History
Received: 27 April 2019
Revised: 8 June 2019
Accepted: 11 June 2019
First Online: 15 June 2019
Compliance with ethical standards
:
: Authors declare no conflicts of interest.
: All patients or their parents gave written informed consent. This study was in compliance with Ethics Guidelines and approved by the Ethics Committee of Peking Union Medical Collage Hospital. (PUMCH S-K764).
: All authors read and approved the final manuscript. Consent for publication was obtained from all authors.
