1. Institut für Pharmazeutische Wissenschaften; Albert-Ludwigs-Universität Freiburg; Albertstrasse 25 79104 Freiburg Germany
2. IBG-1: Biotechnology; Forschungszentrum Jülich GmbH; Wilhelm-Johnen Str. 52425 Jülich Germany
3. Empa - Swiss Federal Laboratories for Materials Science and Technology; Laboratory for Biointerfaces; Lerchenfeldstrasse 5 9014 St. Gallen Switzerland
4. Fraunhofer Institute for Interfacial Engineering and Biotechnology IGB; Branch BioCat; Schulgasse 11a 94315 Straubing Germany
5. Department of Medical Biochemistry and Biophysics; Karolinska Institutet; Tomtebodavägen 6 17177 Stockholm Sweden
6. Vising address: Department of Chemistry-BMC; Uppsala Universitet; Husargatan 3 75237 Uppsala Sweden