1. Department of Obstetrics University Hospital of Zurich Zurich Switzerland
2. Institute for Biomechanics Eidgenössische Technische Hochschule (ETH) Zurich Zurich Switzerland
3. Institute of Bioengineering Ecole Polytechnique Fédérale de Lausanne Lausanne Switzerland
4. Biotech Research and Innovation Centre University of Copenhagen Copenhagen Denmark
5. Department of Biomedicine and Department of Surgery University Hospital Basel Basel Switzerland
6. Institute of Anatomy University of Bern Bern Switzerland
7. Biomechanics Laboratory Balgrist University Hospital University of Zurich Zurich Switzerland