1. 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, S. Cláudio de Barco, Taipas, Guimarães 4806-909, Portugal
2. ICVS/3B's—PT Government Associate Laboratory, Braga/Guimarães, Portugal
3. Saúde Atlântica Sports Center—F.C. Porto Stadium, Minho University and Porto University Research Center, Porto, Portugal
4. Orthopedic Department, Centro Hospitalar Póvoa de Varzim, Vila do Conde, Portugal
5. Orthopedic Department, Amsterdam Medical Centre, Amsterdam, The Netherlands