1. Unit of Infectious Diseases, Department of Medicine Solna, Karolinska Institutet
2. Department of Infectious Diseases, Karolinska University Hospital, Stockholm, Sweden
3. Public Health Agency of Sweden, Solna, Sweden
4. Department of Communicable Disease Control and Prevention, Stockholm County Council
5. Department of Clinical Microbiology, Karolinska University Hospital, Stockholm, Sweden
6. Department of Microbiology, Tumor and Cell Biology, Karolinska Institutet, Stockholm, Sweden
7. Singapore Centre on Environmental Life Sciences Engineering (SCELSE) and Lee Kong Chian School of Medicine (LKC), Nanyang Technological University (NTU), Singapore