Funding for this research was provided by:
Chinese Ministry of Health Project (201302002)
Received: 2 April 2020
Accepted: 4 May 2020
First Online: 11 May 2020
Ethics approval and consent to participate
: This study was approved by the ethics committee of the Wenzhou Medical University, the Second Affiliated Hospital (LCKY2019–200), and written informed consents for participation of this study were obtained from the probands’ parents.
: Written informed consents for publication of these cases were obtained from the patients’ parents.
: The authors declare that they have no competing interests. The author Tao Cai is a member of the editorial board for the BMC Medical Genetics journal.