1. The Norwegian Health Directorate; 2020 [read 2020-5-3] Available from:
https://www.helsedirektoratet.no/tema/beredskap-og-krisehandtering/koronavirus/anbefalinger-og-beslutninger/Vedtak%20etter%20lov%20om%20vern%20mot%20smittsomme%20sykdommer%20%C2%A7%204-1%20andre%20ledd.pdf/_/attachment/inline/52123521-8754-42e8-8c35-1d4f7d252c3c:565274f1b146b75e41fe381f6fa6617064775e98/Vedtak%20etter%20lov%20om%20vern%20mot%20smittsomme%20sykdommer%20%C2%A7%204-1%20andre%20ledd.pdf
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2. The Swedish Police; 2020 [read 2020-5-3] Available from:
https://polisen.se/aktuellt/nyheter/2020/mars/ytterligare-begransade-mojligheter-till-allmanna-sammankomster-och-tillstallningar/
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3. Statista. Sweden: Age structure from 2008 to 2018; 2020 [read 2020-5-3] Available from:
https://www.statista.com/statistics/375493/age-structure-in-sweden/
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4. Statista. Norway: Age structure from 2008 to 2018; 2020 [read 2020-5-3] Available from:
https://www.statista.com/statistics/327213/age-structure-in-norway/
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5. Spørreundersøkelser.no. Skala-tips. [read 2020-5-3] Available from: http://www.spørreundersøkelser.no/skala-tips/.