Funding for this research was provided by:
Far Eastern Memorial Hospital (FEMH-2017-C-012)
Article History
Received: 25 October 2018
Accepted: 16 January 2019
First Online: 25 January 2019
Compliance with ethical standards
:
: All authors certify that they have no affiliations with or involvement in any organization or entity with any financial interest, or non-financial interest in the subject matter or materials discussed in this manuscript.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from all individual participants included in the study.