The original version of this published article [1] neglected to include the third co-author to the author list. The complete author list can be found at the top of this article and also below:

Mei-Ying Ren1, Xiao-Ming Zeng2 and Wen-Hui Zhang2

  • 1School of Mathematics and Computer Science, Wuyi University, Wuyishan, 354300, China

  • 2School of Mathematical Sciences, Xiamen University, Xiamen, 361005, China