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Authors
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Funding
Funding for this research was provided by:
National Health Research Institutes, Taiwan (NHRI-EX106-10206NI, NHRI-EX108-10813NI)
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Article History
Received: 20 December 2018
Accepted: 24 May 2019
First Online: 14 June 2019
Ethics approval and consent to participate
: Not applicable.
: Not applicable.
: The authors declare that they have no competing interests.
