Received: 6 August 2020
Accepted: 15 October 2020
First Online: 5 November 2020
Ethics approval and consent to participate
: This research was approved by the Ethics Committee of Guangzhou Women and Children’s Medical Center, conforming to the Helsinki Declaration. Informed written consent for clinical and genetic analyses was obtained from the patient's parents.
: Written informed consent was obtained from the parents for publication of this case report and any accompanying tables/images.
: The authors declare that they have no competing interests.