Li, Ping
Ning, Yujie
Guo, Xiong
Wen, Yan
Cheng, Bolun
Ma, Mei
Zhang, Lu
Cheng, Shiqiang
Wang, Sen
Zhang, Feng
Funding for this research was provided by:
National Natural Science Foundation of China (81673112)
the Key projects of international cooperation among governments in scientific and technological innovation (2016YFE0119100)
the Natural Science Basic Research Plan in Shaanxi Province of China (2017JZ024)
Article History
Received: 13 April 2019
Accepted: 16 August 2019
First Online: 27 August 2019
Ethics approval and consent to participate
: This study was approved by the Human Ethics Committees of Xi’an Jiaotong University (Project identification code: 2015-237). Informed consent documents were signed by all participants.
: Not applicable.
: The authors declare that they have no competing interests.