Chen, Shanwen http://orcid.org/0000-0002-4204-2968
Zhao, Mei
Zheng, Wenwen
Wei, Rui
Zhang, Biaoxin
Tong, Busheng
Qiu, Jianxin
Article History
Received: 29 November 2019
Accepted: 22 January 2020
First Online: 30 January 2020
Compliance with ethical standards
:
: All authors have read and approved the manuscript and have no conflict of interest of this paper.
: This study was approved by the local ethics committee of The First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, People’s Republic of China. Written informed consent of both parents was obtained before surgery. All data were collected and analyzed retrospectively.