M. Masoom Ali
Department of Mathematical Sciences, Ball State University Muncie, Indiana 47306 USA
Mustafa Ç. Korkmaz
Deparment of Measurement and Evaluation, Artvin Çoruh University City Campus, Artvin 08000 Turkey
Haitham M. Yousof
Department of Statistics, Mathematics and Insurance Benha University, Egypt
Nadeem Shafique Butt
Department of Family and Community Medicine King Abdul Aziz University Jeddah, Kingdom of Saudi Arabia