1. Department of Pathology, Faculty of Medicine, Albert Szent-Györgyi Medical School, University of Szeged, Szeged, Hungary
2. Department of Pathology, Bács-Kiskun County Teaching Hospital, Kecskemét, Hungary
3. Department of Internal Medicine, Bács-Kiskun County Teaching Hospital, Kecskemét, Hungary
4. Department of Pathology, H. Lee Moffitt Cancer Center and Research Institute and Departments of Pathology and Oncologic Sciences, University of South Florida, Tampa, FL, USA