Ma, Fuli http://orcid.org/0000-0002-4214-0592
Song, Jinliang http://orcid.org/0000-0002-5004-3602
Luo, Shengmin http://orcid.org/0000-0002-5433-6285
DeGroot, Don J. http://orcid.org/0000-0002-7668-2568
Bai, Xiaohong http://orcid.org/0000-0003-0583-6192
Zhang, Guoping http://orcid.org/0000-0002-8119-2731
Funding for this research was provided by:
China Scholarship Council (201406930009)
Postgraduate Innovation Foundation of Shanxi Province (20133034)
National Natural Science Foundation of China (51178287, 51578359, 51479113)
Article History
Received: 18 May 2018
Accepted: 1 September 2018
First Online: 11 September 2018