Funding for this research was provided by:
China Medical University (CMU104-S-27)
Ministry of Health and Welfare (DOH10541)
Received: 1 March 2018
Accepted: 19 November 2018
First Online: 29 November 2018
Ethics approval and consent to participate
: Data are available from the Science Center, the Ministry of Health and Welfare (MOHW), Taiwan. This study obtained the databases published and managed by the MOHW. All researchers are allowed to use the databases for their interested studies. Before using the databases for research, all studies should get the IRB permission. The institutional review board of China Medical University approved this study (IRB No.: CMUH 103-REC3–109).
: Not applicable.
: The authors declare that they have no competing interests.
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