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Authors
Chen, Huahai
Wang, Ling
Wang, Xing
Wang, Xin
Liu, Haifeng
Yin, Yeshi
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Article History
Received: 11 February 2019
Accepted: 11 September 2019
First Online: 14 November 2019
Compliance with Ethical Standards
:
: The authors declare that they have no conflicts of interest.
: All procedures used in studies involving human participants were in accordance with the ethical standards of the Children’s Hospital of Shanghai ethics committee and with the 1964 Helsinki declaration and its later amendments, or comparable ethical standards.
