1. Department of Pathology, Otto von Guericke University (C.B., A.R.), D-39120 Magdeburg, Germany
2. Departments of General Surgery (C.B., H.D., C.H.-V.), Martin Luther University, D-06097 Halle-Wittenberg, Germany
3. Department of Endocrinology, Medical School Hannover (G.B.), Hannover, Germany
4. Radiotherapy (R.G.), Martin Luther University, D-06097 Halle-Wittenberg, Germany