Zhang, An-An
Pan, Ci
Xu, Min
Wang, Xiao-Xia
Ye, Qi-Dong
Gao, Yi-Jin
Tang, Jing-Yan
Article History
Received: 6 January 2019
Accepted: 26 May 2019
First Online: 24 July 2019
Compliance with ethical standards
:
: This was a retrospective study. Consent was obtained from patients’ parent. No finical or nonfinancial benefits have been received or will be received from any party related directly or indirectly to the subject of this article.
: The authors declare that there is no conflict of interest regarding the publication of this paper.