1. QUANT Research Center, Emlyon Business School, Ecully, France
2. Geneva School of Economics and Management, University of Geneva, Geneva, Switzerland
3. Technical Researches Center, Cairo, Egypt
4. Department of Geomatics Engineering, University of Calgary, Calgary, Alberta, Canada
5. Department of Mathematics & Statistics, Auburn University, Auburn, USA
6. Geneva Finance Research Institute, University of Geneva and Swiss Finance Institute, Geneva, Switzerland
7. Faculty of Science & Geneva School of Economics and Management, University of Geneva, Geneva, Switzerland