Liu, Min
Huang, Danping
Wang, Hongying
Zhao, Lei
Wang, Qi
Chen, Xuqin http://orcid.org/0000-0001-5602-5344
Article History
Received: 8 August 2019
Accepted: 26 September 2019
First Online: 9 January 2020
Compliance with Ethical Standards
: The study was based on the principles of the Declaration of Helsinki and authorized by the Institutional Review Committee of Children’s Hospital Affiliated to Soochow University. All participants have signed the written informed consent.
: The authors declare that they have no conflict of interest.