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Serious users should understand how the database was compiled and processed in order to understand its limitations. Please carefully review all documentation provided before using data obtained here in any way. Not all records have gone through our final critical steps in quality assurance. Check our Data Tracks and Institutions Contributing Data sections for details regarding the current status of our online data sets and what can be retrieved from the database at this time.

We make the data available to users in hopes they will provide comments that will help us improve both presentation and data quality.

We make no guarantee regarding data quality and are not responsible for any errors or other aspects of data quality and the impacts those factors may have on any applications that use the data here provided.

Our What's New and Version Tracking sections further document data and website evolution. Serious users should check these regularly for news of major events regarding our data and website.