1. Unit of Infectious Diseases, Department of Medicine, Huddinge, Karolinska Institutet, Stockholm, Sweden;
2. Department of Infectious Diseases, Danderyds Hospital, Stockholm, Sweden;
3. Medical Management Centre, Department of Learning, Informatics, Management and Ethics (LIME), Karolinska Institutet, Stockholm, Sweden;
4. Department of Public Health Sciences, Karolinska Institutet, Stockholm, Sweden;
5. Department of Infectious Diseases, Karolinska University Hospital, Huddinge, Sweden;
6. Department of Communicable Disease Control and Prevention, Stockholm County Council, Stockholm, Sweden