Zu, Chen
Gao, Yue
Munsell, Brent
Kim, Minjeong
Peng, Ziwen
Cohen, Jessica R.
Zhang, Daoqiang
Wu, Guorong
Article History
First Online: 14 June 2018
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 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.