Received: 14 April 2020
Accepted: 18 August 2020
First Online: 24 August 2020
Ethics approval and consent to participate
: The study was approved by the Medical Ethics Committee for Clinical Ethical.Review, Children’s Hospital of Chongqing Medical University. Written informed consent was obtained for the study from the parents of the patients.
: Patients’ guardians gave consent for their personal or clinical details along with any identifying images to be published in this study.
: The authors declare that they have no competing interests.