Zheng, Yalin
Nong, Lin
Liang, Li
Wang, Wei
Li, Ting
Article History
Received: 16 July 2017
Accepted: 6 February 2018
First Online: 20 February 2018
Ethics approval and consent to participate
: The study was approved by the ethics committee of Peking University First Hospital (No. 2013[571]).
: Written informed consent for publication was obtained from the patient’s legal guardian and is available for review by the editors of this journal.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.