1. School of Health Sciences; University of Tampere; Tampere Finland
2. Health Services and Policy Research; National Institute for Health and Welfare; Helsinki Finland
3. Department of Community Health; Eduardo Mondlane University; Maputo Mozambique
4. Department of Biochemistry, Biology, Genetics and Molecular Biology; Eduardo Mondlane University; Maputo Mozambique
5. Ministry of Health; Maputo Mozambique