1. Institute of Biomaterial Science and Berlin–Brandenburg Center for Regenerative Therapies, Helmholtz-Zentrum Geesthacht, Teltow, Germany
2. Institute for Clinical Haemostasiology and Transfusion Medicine, University Saarland, Homburg/Saar, Germany
3. Marienkrankenhaus Papenburg, Akademisches Lehrkrankenhaus der Medizinischen Hochschule Hannover, Papenburg, Germany
4. Praxisklinik Herz und Gefäße, Dresden, Germany
5. Department of Biomaterials, University of Ulm, Ulm, Germany
6. Neuro-Kardiologie im Zentrum, Hamburg, Germany
7. Department of Ophthalmology, Inselspital, Bern University Hospital, and University of Bern, Bern, Switzerland
8. Asklepios Klinik Harburg, 1st Medical Department, Cardiology, Hamburg, Germany