Hao, Shao-rui
Yan, Ren
Zhang, Shan-yan
Lian, Jiang-shan
Cai, Huan
Zhang, Xiao-li
Zheng, Lin
Jia, Hong-yu
Hu, Jian-hua
Yu, Guo-dong
Gu, Jue-qing
Ye, Chan-yuan
Jin, Ci-liang
Lu, Ying-feng
Xin, Jiao-jiao
Sheng, Ji-fang
Yang, Yi-da http://orcid.org/0000-0001-6261-0953
Article History
Received: 21 April 2020
Accepted: 15 May 2020
First Online: 13 August 2020
Compliance with ethics guidelines
: Shao-rui HAO, Ren YAN, Shan-yan ZHANG, Jiang-shan LIAN, Huan CAI, Xiao-li ZHANG, Lin ZHENG, Hong-yu JIA, Jian-hua HU, Guo-dong YU, Jue-qing GU, Chan-yuan YE, Ci-liang JIN, Ying-feng LU, Jiao-jiao XIN, Ji-fang SHENG, and Yi-da YANG declare that they have no conflict of interest.
: This study was conducted in accordance with the guidelines of the Helsinki Declaration of 1975, as revised in 2008 (5), and was approved by the Clinical Research Ethics Committee of the First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China (No. IIT20200005C). Written informed consent was waived by the ethics commission for this retrospective study.
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