Funding for this research was provided by:
Ministry of Science and Technology, Taiwan (106-2314-B-006-010-MY2)
National Cheng Kung University, College of Medicine (NCKUMCS2016055)
College of Medicine, National Cheng Kung University (NCKUMCS2017070)
First Online: 28 August 2019
Compliance with Ethical Standards
: The authors declare that they have no conflicts of interest.
: Ethical approval was obtained from the committee of National Cheng Kung University Hospital (Taiwan) (IRB number B-ER-106-072). All procedures involving human participants were performed in accordance with the ethical standards of the institutional and/or national research committee and the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. The authors have full control of all primary data and agree to allow the journal to review their data if requested.