1. Department of Applied Mathematics, Faculty of Sciences and Technics, Sultan Mouly Slimane University, Morocco
2. Faculty of Business Administration and Economics, Bielefeld University, Bielefield, Germany
3. Helmholtz Zentrum Munchen, German Research Center for Environmental Health GmbH, Institute of Computational Biology, Neuherberg, Germany
4. Chair of Mathematical Modeling of Biology Systems, Technisché Universität München, Garching, Germany
5. Faculty of Mathematics, Chalmers University of Technology, Göteborg, Sweden
6. Statistical Science Director at Astrazeneca, Sweden