1. Department of Biochemistry and Molecular Biology, VILLUM Center for Bioanalytical Sciences, University of Southern Denmark, 5230 Odense, Denmark
2. Arla Foods Ingredients Group P/S, 8260 Viby J, Denmark
3. Department of Molecular Biology and Genetics, Aarhus University, 8000 Aarhus, Denmark
4. Cell Biology and Biophysics Unit, European Molecular Biology Laboratory, 69117 Heidelberg, Germany