Fan, J. K. M.
Liu, J.
Chen, K.
Yang, X.
Xu, X.
Choi, H. K.
Chan, F. S. Y.
Chiu, K. W. H.
Lo, C. M.
Article History
Received: 7 October 2017
Accepted: 4 January 2018
First Online: 13 January 2018
Compliance of ethical standards
:
: JKMF declare no conflict of interest; JL declare no conflict of interest; KC declare no conflict of interest; XF declare no conflict of interest; XX declare no conflict of interest; HKC declare no conflict of interest; FSYC declare no conflict of interest; KWHC declare no conflict of interest; CML declare 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 animals 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.