1. Department of Materials Engineering, KU Leuven, Leuven, Belgium
2. Department of Applied Mechanics and Mechanical Engineering, Technical University of Košice, Košice, Slovakia
3. Department of Neurosurgery, University Hospital Gasthuisberg, KU Leuven, Leuven, Belgium
4. Department of Mechanical Engineering, Biomechanics Section, KU Leuven, Leuven, Belgium
5. Department of Materials Engineering, KU Leuven Campus De Nayer, Sint-Katelijne-Waver, Belgium