Licenciatura en Matemáticas, Universidad del Quindío, Quindío, Colombia
Departamento de Matematicas, Universidad del Valle, Cali, Colombia
Mathematical, Computational and Modeling Sciences Center, Arizona State University, Tempe, AZ, USA
Department of Applied Mathematics, Kyung Hee University, Yongin, Korea
© 2014 Published by Elsevier B.V. on behalf of Korea Centers for Disease Control and Prevention.
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