Zhu, Nan
Hawk, Skyler T.
Chang, Lei
Article History
First Online: 8 March 2018
Compliance with Ethical Standards
:
: Nan Zhu, Skyler T. Hawk, and Lei Chang declare 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.
: Informed consent was obtained from all individual participants included in the study.