1. Ahmed M. Gad:
Statistics Department, Faculty of Economics and Political Science, Cairo University,Egypt
2. G.G. Hamedani:
Department of Mathematics, Statistics and Computer Science,
Marquette University, USA
3. Sedigheh Mirzaei Salehabadi:
Biostatistics Department of St. Jude Children's' Research Hospital Memphis,TN,USA
4. Haitham M. Yousof:
Department of Statistics,Mathematics and Insurance,Benha University, Egypt