Cheng, Wen
Ren, Xiufang
Zhang, Chuanbao
Han, Sheng
Wu, Anhua
Funding for this research was provided by:
the National Natural Science Foundation of China (81172409)
the National Natural Science Foundation of China (81472360, 81402045)
the Science and Technology Department of Liaoning Province (2011225034)
Article History
Received: 3 September 2016
Accepted: 25 December 2016
First Online: 16 January 2017
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
: Informed consent was obtained from all individual participants included in the study.