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Article History

Received: 30 December 2018

Accepted: 11 March 2019

First Online: 3 April 2019

Ethics approval and consent to participate

: The authors stated that they had no interests. The work was approved by the Institutional Review Board of Tiantan Hospital. Written informed consents were obtained from their legally authorized representatives. Privacy of patient was effectively protected.

: Written informed consent for publication of this case has been acquired from the patient’s parents for academic exchange.

: All authors certify that we have no affiliations with or involvement in any organization or entity with any financial interest (such as honoraria; educational grants; participation in speakers’ bureaus; membership, employment, consultancies, stock ownership, or other equity interest; and expert testimony or patent-licensing arrangements), or non-financial interest (such as personal or professional relationships, affiliations, knowledge or beliefs) in the subject matter or materials discussed in this manuscript. The authors declare that they have no competing interests.