Wu, Yunli
Fan, Wei
Li, Xiaoquan
Chen, Houbin
Takáč, Tomáš
Šamajová, Olga
Fabrice, Musana Rwalinda
Xie, Ling
Ma, Juan
Šamaj, Jozef
Xu, Chunxiang
Article History
Received: 18 July 2016
Accepted: 9 January 2017
First Online: 20 February 2017
Competing interests
: The authors declare no competing financial interests.