Lei, Jian-Hua
Peng, Feng
Chen, Zi
Xiao, Xin-Qiang
Article History
Received: 27 November 2018
Accepted: 15 April 2019
First Online: 30 April 2019
Ethics approval and consent to participate
: The study was reviewed and approved by the ethic committee of the Second Xiangya Hospital, Central South University. The approval number was 2016-S022. All the participants provided informed written consents before their enrollment in the study.
: Not applicable.
: The authors declare that they have no competing interests.
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