Funding for this research was provided by:
Ministry of Science and Technology, Taiwan (MOST 105-2314-B-010-045)
Taipei Veterans General Hospital (V105C-150)
Article History
Received: 8 January 2018
Accepted: 26 February 2018
First Online: 5 March 2018
Ethics approval and consent to participate
: This study was processed by chart review, which needs no application for Ethical Approval Documentation under the regulation of our local Institutional Review Board.
: Not applicable
: The authors report no financial or commercial conflicts of interest.
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