1. Institute for Biomechanics; ETH Zurich; Vladimir-Prelog-Weg 3 Zurich 8093 Switzerland
2. CSCS Swiss National Supercomputing Centre; Via Trevano 131 Lugano 6900 Switzerland
3. Biomechanics Section; KU Leuven-University of Leuven; Celestijnenlaan 300 Leuven 3001 Belgium