1. Department of Family Medicine, Lithuanian University of Health Sciences (LUHS), Kaunas, Lithuania
2. Centro de Investigación y Estudios de la Salud (CIES), Managua, Nicaragua
3. South Group (SG), Cochabamba, Bolivia
4. University of Cuenca (UC), Ecuador
5. Instituto Centro Americano de Salud (ICAS), Managua, Nicaragua
6. Internationation Centre for Reproductive Health (ICRH), Ghent University, Belgium
7. Amsterdam University, Amsterdam, The Netherlands
8. Copenhagen HIV Programme, Faculty of Health and Medical Sciences, Copenhagen University, Denmark