Article History
First Online: 9 January 2019
Compliance with Ethical Standards
:
: All authors declare that they have no conflict of interest.
: 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. The study was conducted in compliance with the Institutional Review Board Office of Human Research Ethics and all participants completed informed consent.
: Informed consent was obtained from all individual participants included in the study.