• Sponsors commit for periods of 4 years
• Sponsors pay for a set of deliverables, typically updating the database on a particular topic, followed by the writing a scientific review paper. The aim is to provide a complete overview of what we currently know on this subject and what we do not yet know.
• Sponsors are mentioned on the website, both in the general list of sponsors and in the sponsored sections of the database. They are also mentioned in derived publications, such as the periodical review articles.
• Sponsors choose the topic on which they want to support research synthesis and can give advice in matters of analysis: EHERO decides in the end on presentation of the findings in the database and in the review article. In the case of disagreement sponsors are free to present their views to the academic forum independently.

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