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Authors
Liu, J. W.
Chen, K. J.
Xu, X. H.
Deng, Y.
Zhang, H.
Chan, F. S. Y.
Kim, H. J.
Fan, J. K. M.
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Article History
Received: 23 December 2019
Accepted: 3 February 2020
First Online: 18 February 2020
Compliance with ethical standards
:
: All the authors declare that they have no conflict of interest.
: All procedures involving human participants were performed in accordance with the ethical standards of our institutional research committee and the study was conducted according to the ethical standards of the Helsinki Declaration of 1975.
: This article does not contain any studies with human participants performed by any of the authors.
: Informed consent was obtained from all individual participants included in the study after detail explanation of possible complications. Patients were then given at least 24 h for consideration of participating in the clinical trial before operation.
