1. Department of Medicine Huddinge, Division of Infectious Diseases, Karolinska Institutet at Karolinska University Hospital, Stockholm, Sweden;
2. Stockholm Needle Exchange, Stockholm Centre for Dependency Disorders, Stockholm, Sweden;
3. Department of Infectious Diseases, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden;
4. Department of Addiction, Sahlgrenska University Hospital, Gothenburg, Sweden;
5. Department of Translational Medicine, Section of Infectious Disease, Malmö, Lund University, Malmö, Sweden;
6. Center for Communicable Disease Control, Region Norrbotten, Sweden;
7. Department of Infectious Diseases, Faculty of Medicine and Health, Örebro University, Örebro, Sweden;
8. AbbVie AB, Stockholm, Sweden;
9. Department of Laboratory Medicine, Division of Clinical Microbiology, Karolinska Institutet at Karolinska University Hospital, Huddinge, Stockholm, Sweden;
10. Center for Communicable Disease Control, Region Skåne, Sweden