1. Optical Centre, University of Beira Interior; 6201-001 Covilhã Portugal
2. 3B's Research Group-Biomaterials, Biodegradables, and Biomimetics; University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine; AvePark 4806-909 Taipas Guimarães Portugal
3. ICVS/3B's, PT Government Associate Laboratory; Braga/Guimarães Portugal
4. Health Sciences Research Centre, University of Beira Interior; 6201-001 Covilhã Portugal
5. R&D Unit of Textile and Paper Materials, Faculty of Engineering; University of Beira Interior; 6201-001 Covilhã Portugal