Xie, Kai
Mao, Yuanqing
Qu, Xinhua
Dai, Kerong
Jia, Qingwei
Zhu, Zhenan
Yan, Mengning https://orcid.org/0000-0002-4495-3351
Article History
Received: 25 October 2017
Accepted: 26 December 2017
First Online: 2 February 2018
Ethics approval and consent to participate
: The current retrospective study was approved by the institutional review board (Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine). The informed consent was obtained for each patient.
: Not applicable.
: The authors declare that they have no competing interests.
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