1. Max Planck Institute
for Dynamics of Complex Technical Systems, 39106 Magdeburg, Germany
2. Chair
of Bioprocess Engineering, Otto von Guericke University Magdeburg, 39106 Magdeburg, Germany
3. Department
of Medical Protein Research, VIB, B-9000 Ghent, Belgium
4. Department
of Biochemistry, Ghent University, B-9000 Ghent, Belgium