What we do at InformedHealth.org

The articles, illustrations and films on InformedHealth.org and Gesundheitsinformation.de are based on the best that was available at the time of publication. The “Updated” entry at the bottom of each article indicates the date on which the information, and the scientific that it is based upon, was up-to-date.

In order to ensure that our website is up-to-date, we regularly check our information and update it if necessary.

Our information is based on extensive literature searches for relevant high-quality . To answer questions about the benefits and harms of medical interventions, we mainly use systematic reviews of studies.

All of the studies we use are first evaluated by our team to ensure that they are of high-enough quality. Drafts of our information go through multiple stages of quality assurance involving experts within the institute, external experts and patients.

Because all of our articles are produced by various experts at IQWiG working together, no single person is named as the author of an article.

You can find more detailed information about our methods and processes in the topic area “Our methods and processes.” This information can also be found on the website of the Institute for Quality and Efficiency in Health Care (IQWiG, Germany), as part of the description of its methods.

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We welcome any feedback and ideas - either via our form or by gi-kontakt@iqwig.de. We will review, but not publish, your ratings and comments. Your information will of course be treated confidentially. Fields marked with an asterisk (*) are required fields.

Please note that we do not provide individual advice on matters of health. You can read about where to find help and support in Germany in our information “How can I find self-help groups and information centers?

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Updated on December 9, 2019

Next planned update: 2023


Institute for Quality and Efficiency in Health Care (IQWiG, Germany)

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