1. Tampere Medical School; University of Tampere; Tampere Finland
2. Tampere Center for Child Health Research; Tampere University Hospital and University of Tampere; Tampere Finland
3. Fimlab Laboratories; Tampere Finland
4. Department of Internal Medicine; Tampere University Hospital; Tampere Finland
5. Bacterial Infections Unit; National Institute for Health and Welfare; Turku Finland