1. Biotech Research and Innovation CentreUniversity of Copenhagen Copenhagen 2200 Denmark
2. Department of ObstetricsUniversity and University Hospital of Zürich Zürich 8091 Switzerland
3. Institute of BioengineeringEcole Polytechnique Fédérale de Lausanne Lausanne 1015 Switzerland
4. Department of BiomedicineUniversity Hospital BaselUniversity of Basel Basel 4031 Switzerland
5. Institute for BiomechanicsETH Zürich Zürich 8092 Switzerland
6. Balgrist University HospitalUniversity of Zürich Zürich 8008 Switzerland