1. Regional Centre for Imported and Tropical Diseases; Oslo University Hospital; Oslo Norway
2. Oslo Centre of Biostatistics and Epidemiology; Oslo University Hospital; Oslo Norway
3. Aklilu Lemma Institute of Pathobiology; Addis Ababa University; Addis Ababa Ethiopia
4. Department of Internal Medicine; Hiwot Fana Specialized University Hospital; Harar Ethiopia
5. School of Medicine; Haramaya University College of Health and Medical Sciences; Harar Ethiopia
6. Department of Internal Medicine; Jugal Hospital; Harar Ethiopia
7. Department of Molecular Biology; Norwegian Institute of Public Health; Oslo Norway
8. Research Unit; Sørlandet Hospital HF; Kristiansand Norway
9. Department of Global Development and Planning; University of Agder; Kristiansand Norway
10. UCL Institute for Liver & Digestive Health; University College London; London UK