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Authors
Suter, Flurina https://orcid.org/0000-0002-5302-2268
Wanner, Miriam https://orcid.org/0000-0003-0888-0690
Wicki, Andreas https://orcid.org/0000-0002-2924-8080
Korol, Dimitri https://orcid.org/0000-0002-9217-8038
Rohrmann, Sabine https://orcid.org/0000-0002-2215-1200
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Funding
Funding for this research was provided by:
University of Zurich
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Article History
Received: 10 January 2025
Accepted: 12 February 2025
First Online: 21 February 2025
Declarations
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: Until 2019, all cancer cases in the Canton of Zurich were registered with presumed consent and registration based on a decision by the Zurich Government Council from 1980 and the general registry approval by the Federal Commission of Experts for professional secrecy in medical research from 1995. Since 2020, all cancer cases in Switzerland are registered with presumed consent based on the Cancer Registration Act (KRG; SR 818.33). Based on this law, the patients have to be informed about the registration of their data in the cancer registry by the doctor that delivers the diagnosis, and they have the right to refuse actively. If no refusal is received by the cancer registry within three months after the first data delivery, the cancer case can be registered in the registries’ database. If a refusal is received, all of the delivered data have to be deleted. All data were used anonymized in this analysis, and no approval from the Ethical Committee of the Canton of Zurich was necessary.
: The authors declare no competing interests.
