1. Centro de Investigaciones Científicas del Yucatán, C.43 No. 130 Chuburná de Hidalgo, CP 97200 Mérida, Mexico, Center for Biomaterials, Universidad Politécnica de Valencia, Camino de Vera s/n, 46022 Valencia, Spain, Polymer Engineering Department, University of Minho, Campus of Azurém, 4800-058 Guimarães, Portugal, and 3B's Research GroupBiomaterials, Biodegradables and Biomimetics, University of Minho, 4710-057 Braga, Portugal