Stochastic multi-scale models of competition within heterogeneous cellular populations : Simulation methods and mean-field analysis - Cruz Moreno, Roberto de la (Universitat Autònoma de Barcelona. Departament de Matemàtiques) ; Guerrero, Pilar (University College London. Department of Mathematics) ; Spill, Fabian (Boston University. Department of Biomedical Engineering) ; Alarcón Cor, Tomás (Centre de Recerca Matemàtica)