Europe

European Society of Cardiology (ESC) Barcelona (Spain, 1999), Vienna (Austria, 2003) and Munich (Germany, 2004)

41st Annual Meeting of the Hungarian Society for Gastroenterology Balatonaliga, Hungary

E.S.M.O Nice, France (2001)

7th Central European Lung Cancer Conference Praha, Czech Republic (2001)

European Society for Vascular Surgery (ESVS) Copenhaguen (Denmark), Lucerne (Switzerland, 2001) Istambul -(Turkey, 2002) and Innsbruck (Austria, 2004),

Graz Training Days of the Medical Council for Styria Graz, Austria

European Society of Neuroradiology (ESNR) Vienna, Austria (1999) Oslo, Norway (2000) Ancona, Italy (2001)

41ème congrès national de la Société Française d Anesthésie et de Réanimation (SFAR) Paris, France

World Federation of Interventional and Therapeutic Neuroradiology (WFITN) Vilamoura, Portugal

Annual Congress of the British Society for Immunology (BSI) Brighton, Great Britain

Annual Congress of the European Renal Association (ERA) and the European Dialysis and Transplantation Association (EDTA) Madrid, Spain