Country | Estimated incidencea | Estimated prevalence | References |
---|---|---|---|
European region | |||
 Germany | 2.4% | 23.9 per million | |
 Netherlands | – | 30 per million | |
 United Kingdom | – | 68–108 per million | |
 Norway | – | 0.94, 6.5% | |
 Sweden | – | 1.2% | [36] |
 Lithuania | – | 3.14% | [37] |
 Italy | – | 5.5% | [38] |
Non-European region | |||
 United States | – | 1.2% | [39] |
 Australia | – | 89 per million | [40] |