1. SolidarMed; Ancuabe Mozambique
2. SolidarMed; Luzern Switzerland
3. Health Provincial Directorate; Operational Research Nucleus of Pemba; Pemba Mozambique
4. Institute of Social and Preventive Medicine; University of Bern; Bern Switzerland
5. National Health Institute; Maputo Mozambique
6. Department of Infectious Diseases; Bern University Hospital, University of Bern; Switzerland