Yeung, Ling
Wang, Nan-Kai
Wu, Wei-Chi
Chen, Kuan-Jen
Article History
Received: 28 December 2017
Accepted: 17 April 2018
First Online: 23 April 2018
Ethics approval and consent to participate
: The study was approved by the Institutional Review Board of Chang Gung Memorial Hospital. Due to the retrospective nature of this study, the inform consent from individual patient was waived by IRB in this study.
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