1. Alfred E. Mann Institute of Biomedical Engineering, University of Southern California, 1042 Downey Way, DRB Building, Suite 101, Los Angeles, California 90089-1112
2. Institute of Microbiology, ETH Zürich, HCI F 437, Vladimir-Prelog-Weg 1-5/10, CH-8093 Zurich, Switzerland
3. Institute for Biomedical Engineering, ETH Zürich, ETZ F 83, Gloriastrasse 35, CH-8092 Zurich, Switzerland
4. Adolphe Merkle Institute, University of Fribourg, Chemin des Verdiers 4, CH-1700 Fribourg, Switzerland
5. Department of Biomedical Engineering, University of Michigan, Ann Arbor, Michigan 48109
6. Department of Chemistry, University of Basel, BPR 1096, P.O. Box 3350, Mattenstrasse 24A, CH-4002 Basel, Switzerland
7. ETH Zurich, Eigerstrasse 21, CH-8200 Schaffhausen, Switzerland
8. Department of Applied Physics, Chalmers University of Technology, Fysikgränd 3, Göteborg SE-412 96, Sweden