1. Department of Surgery, Medical University of Vienna, General Hospital, 1090 Vienna, Austria
2. Department of Pathology, Medical University of Vienna, General Hospital, 1090 Vienna, Austria
3. Department of Neuroimmunology, Medical University of Vienna, Center for Brain Research, 1090 Vienna, Austria
4. Department of Internal Medicine, Hospital of The Merciful Brothers, 1020 Vienna, Austria
5. Current address: Department of Surgery I, Rudolf Foundation Clinic, 1030 Vienna, Austria