[1] Abdul Wali Khan Univ, Dept Math, Mardan 23200, Pakistan
[2] King Mongkuts Univ Technol Thonburi KMUTT, Ctr Excellence Theoret & Computat Sci TaCS CoE, Fac Sci, 126 Pracha Uthit Rd, Bangkok 10140, Thailand
[3] Univ Lakki Marwat, Dept Math Sci, Lakki Marwat 28420, Pakistan
[4] Rajamangala Univ Technol Thanyaburi, Program Appl Stat, Appl Math Sci & Engn Res Unit AMSERU, Dept Math & Comp Sci,Fac Sci & Technol, Pathum Thani 12110, Thailand
[5] China Med Univ, Dept Med Res, China Med Univ Hosp, Taichung 40402, Taiwan