Zhu, Weichun
Zheng, Xiaoming
He, Hongwei
Wang, Gang
Zhang, Xi
Funding for this research was provided by:
Ministry of Education of the People's Republic of China (11YJA630212)
Pennsylvania State University (Start-up research fund of Weichun Zhu)
Article History
Received: 12 October 2016
Accepted: 12 November 2017
First Online: 22 November 2017
Compliance with Ethical Standards
:
: The 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 Declaration of Helsinki and its later amendments or comparable ethical standards.
: Informed consent was obtained from all individual participants included in the study.