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Authors
Ruan, Maomei
Liu, Liu
Wang, Lihua
Lei, Bei
Sun, Xiaoyan
Chang, Cheng
Shen, Yan
Xie, Wenhui https://orcid.org/0000-0003-1294-4554
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Article History
Received: 10 May 2019
Accepted: 9 December 2019
First Online: 3 January 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All procedures performed in studies involving human participants were approved by the Institutional Review Board of Shanghai Jiao Tong University-affiliated Shanghai Chest Hospital and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. For this type of study formal consent is not required. This article does not contain any animal experiments.
