Received: 4 April 2019
Accepted: 11 November 2019
First Online: 6 January 2020
Ethics approval and consent to participate
: The study was approved by the ethics committee of Children’s Hospital Affiliated to Zhengzhou University. A written informed consent to participate was obtained from the parents of the patient before performing genetic test.
: Written informed consent for publishing data and images was obtained from the parents. A copy of the written consent is available for review by the editor of this journal.
: The authors declare that they have no competing interests.