Received: 6 May 2020
Accepted: 21 September 2020
First Online: 1 October 2020
Ethics approval and consent to participate
: The study was approved by the Ethics Committee of Peking University First Hospital, conforming to the Helsinki Declaration, and all patients provided written informed consent.. The patient and legal guardians of any participant under the age of 16 years gave written informed consent to participate in this study and for publication of this case report.
: All participants have provided written informed consents to publish all identifying images, personal details and clinical details anonymously. Moreover, written informed consents for publication of identifying images or other personal or clinical details were obtained from the parents or legal guardians of any participant under the age of 16.
: The authors certify that there is no conflict of interest with any individual/organization for the present work.