1. Department of Mechanical Engineering, Faculty of Engineering, University of Porto, Porto, Portugal
2. Department of Orthopaedics, Centro Hospitalar de São João, Porto, Portugal
3. INEGI, Faculty of Engineering, University of Porto, Porto, Portugal
4. Polytechnic Institute of Cávado and Ave, Barcelos, Portugal
5. Institute for Polymers and Composites IPC/I3N, University of Minho, Guimarães, Portugal
6. LEPABE–Faculdade de Engenharia, Universidade do Porto, Rua Dr. Roberto Frias, Portugal