Editorial for Volume 7 Number 2: Simulation human stampedes to improve decision making in Humanitarian Logistics. - Alberto Ochoa Ortíz; Juana Canul-Reich; Diego Acosta; Pilar Pozos Parra; Saúl González; Miguel Ruíz; María Beatríz Bernábe-Loranca (Int. J. Comb. Optim. Probl. Informatics, 2016)