1. 3B's Research Group, I3B's – Research Institute on Biomaterials, Biodegradables and Biomimetics of University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark 4805-017, Barco, Guimarães, Portugal
2. ICVS/3B's – P.T. Government Associate Laboratory, Braga/Guimarães, Portugal
3. Jellagen Limited, Unit G6, Capital Business Park, Parkway, St Mellons, Cardiff, CF3 2PY, UK