Funding for this research was provided by:
Chang Gung Memorial Hospital (CMRPD1F0123, CORPD1F0013)
Ministry of Science and Technology, Taiwan (MOST 107-3017-F-182-001, 107-2321-B-182-002)
Received: 18 October 2018
Accepted: 13 December 2018
First Online: 4 January 2019
Ethics approval and consent to participate
: I declare that there is no competing interest.
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