Funding for this research was provided by:
Health Promotion Administration, Ministry of Health and Welfare, Taiwan (R.O.C.)
China Medical University Hospital (CRS-106-040)
Received: 23 January 2018
Accepted: 5 July 2018
First Online: 14 July 2018
Ethics approval and consent to participate
: This study was approved by Research Ethics Committee, National Health Research Institutes [EC1041006-E].
: Not applicable.
: The authors declare that they have no competing interests.
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