1. Institute of Cancer Research, Department of Medicine I, Medical University of Vienna, Austria
2. Radiation Biology Department, National Center for Radiation Research and Technology, Egyptian Atomic Energy Authority, Egypt
3. Department of Radiotherapy and Radiobiology, Medical University of Vienna, Austria
4. Christian Doppler Laboratory for Medical Radiation Research for Radiation Oncology, Medical University of Vienna, Austria
5. Department of Surgery, Medical University Vienna, Austria
6. Clinical Institute of Pathology, Medical University Vienna, Austria