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Department of Preventive Medicine, School of Public Health, Addis Ababa University,
Addis Ababa, Ethiopia (Mr Abaya, Dr Deressa, Dr Kumie); Occupational and Environmental
Medicine, Department of Global Public Health and Primary Care, University of Bergen,
Bergen, Norway (Dr Bråtveit); and Centre for International Health, Department of Global
Public Health and Primary Care, University of Bergen, Bergen, Norway (Dr Moen).