[Long Z.; Luo D.] Huaihua University, Huaihua, 418000, China
[Kiu K.] Bohai University, Jingzhou, 121013, China
University of Memphis, Memphis, TN 38152, United States
Central China Normal University, Wuhan, 430079, China
[Hu X.] University of Memphis, Memphis, TN 38152, United States, Central China Normal University, Wuhan, 430079, China