Hu, Guoming
Xu, Feng
Zhong, Kefang
Wang, Shimin
Xu, Qi
Huang, Liming
Cheng, Pu
Funding for this research was provided by:
National Natural Science Foundation of China (81702803)
Article History
Received: 15 August 2018
Accepted: 29 November 2018
First Online: 3 December 2018
Compliance with ethical standards
:
: The authors report no conflict of interest.
: Human participants.
: The ethical approval was unnecessary because this study based on summary and analysis of the results of previous studies.