1. Haitham M. Yousof:
Department of Statistics, Mathematics and Insurance, Benha University, Egypt.
2. Ahmed Z. Afify:
Department of Statistics, Mathematics and Insurance, Benha University, Egypt
3. Morad Alizadeh:
Department of Statistics, Faculty of Sciences, Persian Gulf University, Bushehr, Iran.
4. G.G. Hamedani:
Department of Mathematics, Statistics and Computer Science Marquette University, USA
5. S. M. A. Jahanshahi:
Faculty of Mathematics, University of Sistan and Baluchestan, Zahedan, Iran.
6. Indranil Ghosh:
Department of Mathematics and Statistics, University of North Carolina Wilmington, USA.