1. Clinical Institute of Medical and Chemical Laboratory Diagnostics, Medical University of Graz, Graz, Austria
2. Institute of Medical and Chemical Laboratory Diagnostics, General Hospital Hochsteiermark, Leoben, Austria
3. Core Facility Molecular Biology, Center for Medical Research, Medical University of Graz, Graz, Austria
4. Division of Gastroenterology and Hepatology, Medical University of Graz, Graz, Austria
5. CBmed GmbH, Graz, Austria
6. Diagnostic & Research Institute of Hygiene, Microbiology and Environmental Medicine, Medical University of Graz, Graz, Austria
7. Department of Paediatric and Adolescent Surgery, Medical University of Graz, Graz, Austria