1. Institute for Surgical Technology and Biomechanics; University of Bern; Stauffacherstrasse 78 3014 Bern Switzerland
2. Institute for Risks and Extremes; Bern University of Applied Sciences; Jlcoweg 1 3400 Burgdorf Switzerland
3. Institute of Lightweight Design and Structural Biomechanics; Vienna University of Technology; Vienna 1040 Austria