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Authors
Wu, Ke
Cong, Yan https://orcid.org/0000-0001-6507-7429
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Article History
Received: 3 June 2021
Accepted: 30 November 2021
First Online: 9 December 2021
Declarations
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: All study procedures were approved by the ethical committee of Yiwu maternity and child health care hospital.
: Written informed consent of publication was obtained from the patient’s parents. Also the patient's parents were informed and agreed to publish patient's photos.
: The authors declare no competing interests.
