Funding for this research was provided by:
Xi 'an science and technology project (SF1509(6))
Received: 3 May 2020
Accepted: 18 August 2020
First Online: 7 September 2020
Ethics approval and consent to participate
: Not applicable.
: Written informed consent (including for photographs that may identify the patient) was obtained from the guardian and for publication of this case report.
: The authors declare that they have no competing interests.