1. Institute for Chemical and Bio-Engineering, Swiss Federal Institute of Technology, Zurich, Switzerland.
2. Clinic of Cardiovascular Surgery, Zurich University Hospital, Zurich, Switzerland.
3. Institute of Anatomy, University of Bern, Bern, Switzerland.
4. Spital Waldshut GmbH, Allgemeine Chirurgie, Waldshut-Tiengen, Germany.
5. Research Laboratory for Calcium Metabolism, Balgrist University Hospital, Zurich, Switzerland.
6. Physical Electronics Laboratory, Swiss Federal Institute of Technology, Zurich, Switzerland.
7. Institute of Cell Biology, Swiss Federal Institute of Technology, Zurich, Switzerland.
8. Cardiovascular Division and the Randall Division of Cell and Molecular Biophysics, King's College, London, United Kingdom.