1. Department of Public Health Sciences, Stockholm University, Stockholm, Sweden
2. Global and Sexual Health (GloSH) Research Group, Department of Global Public Health, Karolinska Institutet, Widerströmska huset, Stockholm, Sweden
3. Department of Infectious Diseases, South Central Hospital, Stockholm, Sweden
4. Department of Medical Sciences, Infectious Medicine, Uppsala University, Uppsala, Sweden
5. Swedish Public Health Agency, Stockholm, Sweden