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Article History

Received: 3 February 2020

Revised: 3 February 2020

Accepted: 10 February 2020

First Online: 19 August 2020

Compliance with ethical standards

:

: The authors declare that they have no conflict of interest.

: All procedures performed were in accordance with the ethical standards of the institutional research committee by Peking University People’s Hospital.

: Yes

: A written informed consent was obtained from the patient’s parents for publication of this case report and any accompanying images.