1. Institute of Public Health, Department of Epidemiology and Biostatistics, Kilimanjaro Christian Medical University College, Moshi, Tanzania
2. Faculty of Epidemiology and Population Health, London School of Hygiene and Tropical Medicine, London, UK
3. Department of Immunology and Allergy, University of Lausanne, Basel, Switzerland
4. Institute of Public Health, Department of Community Health, Kilimanjaro Christian Medical University College, Moshi, Tanzania
5. Joint Malaria Program, Kilimanjaro Christian Medical Centre, Moshi, Tanzania
6. Department of Translational Medicine, Lund University, Malmö, Sweden
7. Community Health Department, Kilimanjaro Christian Medical Centre, Moshi, Tanzania