1. Research Centre for Cancer Diagnosis in Primary Care, Research Unit for General Practice, Aarhus, Denmark
2. Department of Public Health, Aarhus University, Aarhus, Denmark
3. Julius Center for Health Sciences and Primary Care, University Medical Centre Utrecht, Utrecht University, Utrecht, The Netherlands
4. Diagnostic Center, Silkeborg Regional Hospital, Department of Clinical Medicine, Aarhus University, Silkeborg, Denmark
5. Department of Clinical Medicine—Hepatology and Gastroenterology, Aarhus University, Aarhus, Denmark