Zhu, Haibin
Zhao, Yingtao
He, Zhifeng
Zhang, Ruinan
Ma, Shaopeng
Article History
Received: 16 November 2017
Revised: 5 December 2017
First Online: 26 February 2018
Change Date: 20 June 2018
Change Type: Erratum
Change Details: In the original publication [1] of this paper, eq. (14)