1. 3B's Research Group—Biomaterials, Biodegradables and Biomimetics, University of Minho, Campus de Gualtar, Braga, Portugal.
2. Department of Polymer Engineering, University of Minho, Campus de Azurém, Guimarães, Portugal.
3. Department of Biology, Center of Biology, University of Minho, Campus de Gualtar, Braga, Portugal.
4. Center for Bioactive Materials and Tissue Engineering, University of Pennsylvania, Philadelphia, Pennsylvania.
5. Department of Orthopaedic Surgery, Thomas Jefferson University, Philadelphia, Pennsylvania.