Funding for this research was provided by:
Natural Sciences Foundation of China (81871372, 81501497)
Article History
Received: 2 May 2019
Accepted: 8 July 2020
First Online: 17 July 2020
Ethics approval and consent to participate
: This study was approved by the institutional review board at the Second Xiangya Hospital of Central South University (2018-Yan070), and written informed consent was obtained from all families.
: Written informed consent for publication was obtained from all families.
: The authors declare that they have no competing interests.