Text and Data Mining valid from 2018-11-12
Received: 14 June 2018
Accepted: 31 October 2018
First Online: 12 November 2018
Ethics approval and consent to participate
: This study was performed after obtaining approval from the institutional review board of Chang Gung Memorial Hospital (No. 103-4219B). All participates were received and signed informed consent.
: Not applicable.
: The authors have declared that there are no competing interests.
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