1. Vienna University of Technology, Institute of Chemical Engineering, Research Area Biochemical Engineering, Vienna, Austria
2. School of Biotechnology, KTH Royal Institute of Technology, Albanova University Center, Roslagstullsbacken 21, S-10691 Stockholm, Sweden
3. Department of Medical Biochemistry and Biophysics, Karolinska Institutet, Scheelelaboratoriet, Scheeles väg 2, S-17177 Stockholm, Sweden