Li, Ming-zhe
Wu, Wen-hui
Li, Liang
Zhou, Xue-fu
Zhu, Heng-liang
Li, Jian-feng
He, Yu-long
Article History
Received: 2 August 2017
Accepted: 8 January 2018
First Online: 26 January 2018
Ethics approval and consent to participate
: This study was approved by the ethic committee of the Seventh Affiliated Hospital of Sun Yat-sen University.
: Not applicable
: The authors declare that they have no competing interests.
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