Gao, Ming
Wang, Jun
Song, Xiukai
He, Xin
Dahlgren, Randy A.
Zhang, Zhenzhong
Ru, Shaoguo
Wang, Xuedong
Article History
Received: 27 October 2017
Revised: 26 January 2018
Accepted: 5 February 2018
First Online: 6 March 2018
Compliance with ethical standards
: Ming Gao declares that he has no conflict of interest. Jun Wang declares that he has no conflict of interest. Xiukai Song declares that he has no conflict of interest. Xin He declares that he has no conflict of interest. Randy A. Dahlgren declares that he has no conflict of interest. Zhenzhong Zhang declares that he has no conflict of interest. Shaoguo Ru has received research grants from the National Natural Science Foundation of China (41676100). Xuedong Wang has received research grants from the National Natural Science Foundation of China (21577107).