Chen, Shanwen http://orcid.org/0000-0002-4204-2968
Zheng, Wenwen
Li, Hanli
Zhong, Mei
Wei, Rui
Zhang, Biaoxin
Tong, Busheng
Qiu, Jianxin
Yao, Kun
Funding for this research was provided by:
Anhui Provincial Education Department and Boston scientific (9021082201)
Article History
Received: 19 February 2020
Accepted: 19 May 2020
First Online: 28 May 2020
Compliance with ethical standards
:
: All authors have read and approved the manuscript and have no conflict of interest of this paper.
: Approval for this study was obtained from the local ethics committee of The First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, P.R. China. Written informed consent of both parents to the patients was obtained before the study. All data were collected and analyzed retrospectively.