1 Division of General Internal Medicine, Department of Medicine, Geneva University Hospitals, Switzerland. Electronic address: amandine.berner@hcuge.ch.
2 Division of General Internal Medicine, Department of Medicine, Geneva University Hospitals, Switzerland; Unit of Development and Research in Medical Education, Faculty of Medicine, University of Geneva, Switzerland.
3 Division of Clinical Pathology, Diagnostic Department, Geneva University Hospitals, Switzerland.
4 Division of General Internal Medicine, Department of Medicine, Geneva University Hospitals, Switzerland.
5 Division of Gastroenterology and Hepatology, Department of Medicine, Geneva University Hospitals, Switzerland.