1. Dynamical Systems Laboratory, CULagos, Universidad de Guadalajara, Centro Universitario de los Lagos, Enrique Díaz de León 1144, Paseos de la Montaña, Lagos de Moreno 47460, Mexico
2. Applied Physics Division, Center for Scientific Research and Higher Education at Ensenada, CICESE, Carr. Ensenada-Tijuana 3918, Zona Playitas, Ensenada 22860, Mexico
3. Center for Biomedical Technology, Universidad Politécnica de Madrid, Campus Montegancedo, 28223 Madrid, Spain