1. Faculty of Mechanical, Maritime, and Materials Engineering, Department of Biomechanical Engineering; Delft University of Technology (TU Delft), Mekelweg 2; Delft 2628 CD The Netherlands
2. Department of Orthopedics; University Medical Centre Utrecht; Utrecht CX 3584 The Netherlands
3. 3D Systems−LayerWise NV, Grauwmeer 14; Leuven 3001 Belgium
4. Department of Materials Engineering, Kasteelpark Arenberg; KU Leuven; Leuven 44 3001 Belgium