1. Anhui Business And Technology College, Hefei, People's Republic of China
2. Department of Mathematics, COMSATS University Islamabad, Lahore Campus, Lahore, Pakistan
3. College of Chemistry, School of Chemical Engineering and Energy, Zhengzhou University, Zhengzhou, People's Republic of China
4. School of Mathematics and Physics, Anhui Jianzhu University, Hefei, People's Republic of China