Funding for this research was provided by:
Chang Gung Memorial Hospital, Linkou (CORPG3G0591, CORPG3G0601, CORPG3G0611, CORPG3G0621)
Article History
Received: 1 November 2018
Accepted: 25 February 2019
First Online: 4 March 2019
Ethics approval and consent to participate
: This study was approved by Chang Gung Medical Foundation Institutional Review Board (registration number: 201601025A3C502) and written informed consent was obtained from each patient.
: Not applicable.
: The authors declare that they have no competing interests.
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