Shen, Junyi
Wen, Jun
Li, Chuan
Wen, Tianfu
Yan, Lvnan
Li, Bo
Yang, Jiayin
Lu, Changli
Article History
Received: 28 August 2017
Accepted: 7 March 2018
First Online: 12 March 2018
Ethics approval and consent to participate
: The institutional review board of the West China Hospital reviewed and approved the protocol of our study. All participants provided written informed consent.
: Written informed consent for publication was obtained and stored in the west china hospital..
: The authors declare that they have no competing interests.
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