1. Bioanalytics Institute of Biotechnology Technische Universität Berlin Berlin Germany
2. Wellcome Centre for Cell Biology University of Edinburgh Edinburgh UK
3. MRC London Institute of Medical Sciences (LMS) London UK
4. DNA Replication Group Faculty of Medicine Institute of Clinical Sciences (ICS) Imperial College London London UK
5. Department of Molecular Structural Biology Max Planck Institute of Biochemistry Martinsried Germany