1. Jhpiego – Mozambique, Maputo, Mozambique;
2. Faculty of Medicine, Eduardo Mondlane University, Maputo, Mozambique;
3. International Center for Reproductive Health, Ghent University, Ghent, Belgium;
4. Department of Mathematics and Informatics, Eduardo Mondlane University, Maputo, Mozambique;
5. Interuniversity Institute for Biostatistics and Statistical Bioinformatics, (I – Bisotat) Hasselt University, Hasselt, Belgium