Wang, Tianhao
Song, Diyu
Zheng, Guoquan
Wang, Yan
Article History
Received: 8 January 2019
Accepted: 8 April 2019
First Online: 23 April 2019
Ethics approval and consent to participate
: This study was conducted with approval from the Ethics Committee of Chinese PLA General Hospital. Written informed consent to participate was obtained from all participants.
: We have obtained consent to publish from the participants.
: The authors declare that they have no competing interests.
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