1. Centre for International Health, University of Bergen, Bergen, Norway
2. Fafo Institute for Labour and Social Research, Oslo, Norway
3. Centre for Rural Health, School of Nursing and Public Health, University of KwaZulu-Natal, Durban, South Africa
4. School of Education, University of KwaZulu-Natal, Pietermaritzburg, South Africa
5. Kinshasa School of Public Health, University of Kinshasa, Kinshasa, Democratic Republic of Congo