1. Institute for Molecular Biotechnology; Graz University of Technology; Petersgasse 14 8010 Graz Austria
2. acib GmbH; Petersgasse 14 8010 Graz Austria
3. F. Hoffmann-La Roche; 4070 Basel Switzerland
4. Institute of Biotechnology and Biochemical Engineering; Graz University of Technology; Petersgasse 12 8010 Graz Austria