1. Section of Molecular Cell Biology, Department of Biomedical Sciences of Cells and Systems, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands.
2. Department of Radiation Oncology, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands.
3. Department of Surgical Oncology, and University of Groningen, University Medical Center Groningen, Groningen, The Netherlands.
4. Department of Endocrinology, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands.