1. Meilahti Vaccine Research Centre , MeVac, Department of Infectious Diseases, , Helsinki , Finland
2. University of Helsinki and Helsinki University Hospital , MeVac, Department of Infectious Diseases, , Helsinki , Finland
3. Human Microbiome Research Unit, University of Helsinki , Helsinki , Finland
4. Centre of Excellence in Antimicrobial Resistance Research , FIMAR, Helsinki , Finland
5. Department of Health Security, Finnish Institute for Health and Welfare , Helsinki , Finland
6. Travel Clinic, Aava Medical Centre , Helsinki , Finland