1. Fraunhofer Institute for Interfacial Engineering and Biotechnology IGB, Stuttgart, Germany
2. Institute of Biomaterials and Biomolecular Systems, University of Stuttgart, Stuttgart, Germany
3. Department of Biomedical Engineering, Faculty of Medicine, Eberhard Karls University Tübingen, Tübingen, Germany
4. Applied Stem Cell Technologies, University of Twente, Enschede, The Netherlands
5. NMI Natural and Medical Sciences Institute at the University of Tübingen, Reutlingen, Germany
6. Department of Women's Health, Faculty of Medicine, Eberhard Karls University Tübingen, Tübingen, Germany
7. 3R-Center for in vitro Models and Alternatives to Animal Testing, Eberhard Karls University Tübingen, Tübingen, Germany