1. Department of Statistics, Faculty of Mathematics and Statistics University of Isfahan Isfahan Iran
2. School of Mathematics Institute for Research in Fundamental Sciences (IPM) Tehran Iran
3. Department of Biostatistics and Bioinformatics, Fox Chase Cancer Center Temple University Health System PA Philadelphia USA
4. Department of Statistics Northern Illinois University DeKalb IL USA
5. Sheldon B. Lubar School of Business University of Wisconsin‐Milwaukee Milwaukee WI USA
6. Department of Statistical Science Temple University PA Philadelphia USA