1. Center for Child Health Research Faculty of Medicine and Health Technology and Tampere University Hospital Tampere University Tampere Finland
2. Faculty of Medicine and Health Technology, Virology Tampere University Tampere Finland
3. EPID Research Oy Espoo Finland
4. School of Public Health and Family Medicine University of Malawi Blantyre Malawi
5. Fimlab Laboratories Tampere Finland
6. Department of Pediatrics Tampere University Hospital Tampere Finland