Medical University of Vienna, Vienna, Austria
Abteilung Gastroenterologie und Hepatologie, Medizinische Universität und AKH Wien, Vienna, Austria
Medical University Vienna, Department of Pediatrics, Neonatology, Vienna, Austria
Medical University of Vienna, Vienna, Austria
Medical University of Vienna, Dept. of Psychiatry and Psychotherapy, Vienna, Austria
Allergy Centre Vienna West, Vienna, Austria
Dept. of Internal Medicine I, Intensive Care Unit, Medical University of Vienna, Vienna, Austria
Medical University of Vienna, Department of Internal Medicine III, Division of Nephrology and Dialysis, Vienna, Austria
University of Vienna, Vienna, Austria
Landeskrankenhaus, Bruck an der Mur, Austria
Rudolfstiftung, Vienna, Austria
Landeskrankenhaus Graz-West, Graz, Austria