Qiu, Yun
Chen, Baili
Li, Yufei
Xiong, Shanshan
Zhang, Shenghong
He, Yao
Zeng, Zhirong
Ben-Horin, Shomron
Chen, Minhu
Mao, Ren
Article History
Received: 15 June 2018
Accepted: 27 December 2018
First Online: 10 January 2019
Ethics approval and consent to participate
: The study protocol conforms to the ethical guidelines of the 1975 Declaration of Helsinki and was approved by the Clinical Research Ethics Committee of the First Affiliated Hospital of Sun Yat-sen University (2015–47). There was a waiver of consent in the present retrospective study as this project meets the criteria according to Health & Human Services regulations (45 CFR 46).
: Not Applicable.
: The authors declare that they have no competing interests.
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