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Authors
Fan, Jiali
Wei, Dongmei
Zhang, Huimin
Sun, Xiaoxin
Cai, Jun
Fan, Luyun
Yu, Jiachen
Ma, Wenjun
Song, Lei
Zhou, Xianliang
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Funding
Funding for this research was provided by:
Innovative Research Group Project of the National Natural Science Foundation of China (81770504)
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Article History
Received: 21 September 2019
Revised: 1 February 2020
Accepted: 5 March 2020
First Online: 19 June 2020
Compliance with ethical standards
:
: None.
: The study protocol was approved by the Institutional Ethics Committee of FUWAI Hospital (No. 2016–842) and performed in accordance with the ethical standards laid down in the 1964 Declaration of Helsinki and its later amendments. The need for consent was waived for the retrospective design of this study. Trial registration number was NCT03199183.
