1. Department of Statistics, University of Al-Qadisiyah, Al-Diwaniyah, Iraq
2. Department of Mathematics, College of Sciences, University of Al-Qadisiyah, Al-Diwaniyah, Iraq
3. Division of Biostatistics, Department of Population Health Sciences, Weill Cornell Medicine, Cornell University, New York, New York, USA
4. Department of Statistics and Data Science, Cornell University, Ithaca, New York, USA