L. Ritter, L. Hornok, National Institute of Mental Health, Neurology and Neurosurgery - Nyíro Gyula Hospital, Department of Proctology, Budapest, HUNGARY|Á. Altorjay, County Hospital Fejér, Szent György Hospital, Fejér Department of Surgery, Budapest, HUNGARY|F. Ender, Z. Tomcsik, South-Pest Hospital Centre – National Institute for Infectology and Haematology, Department of Surgery, Budapest, HUNGARY|G. Filipcsei, Tavanta Therapeutics, Budapest, HUNGARY|M. Watissee, WStats Limited, London, UNITED KINGDOM|E. Manning Duus, Tavanta Therapeutics, Radnor, Pennsylvania, UNITED STATES|
