Michael Ortmann Leader of Advanced and Continued Endoscopy Education University Hospital of Basel Endoscopy Department Petersgraben 4 CH 4031 Basel, Switzerland
Sylvia Lahey Rijnstate Hospital Endoscopy Unit Wagnerlaan 55 6815 AD Arnhem, The Netherlands
Jadranka Brljak Headnurse of Centre of Gastroenterology Unit Internal Clinic Dep.of Gastroenerology Unit KBC Zagreb Rebro Kispaticeva 12 10000 Zagreb, Croatia
Herta Pomper DGKS Allgemeines Krankenhaus der Stadt Wien Universitatsklinik fur Innere Medizin III, Gastroenterologie Wahringer Gurtel 18–20, A-1090, Wien Austria
