We are interested to update the data for all four system types, all institutions that have installations of any of these systems, and all five data types once per month (on the first Monday of the month). Several systems support automatic data gathering while others require manual data acquisition or email correspondence. Data prior to March 2011 is only complete for VIVO.

The data comes with diverse caveats, some of which are mentioned here:

Please contact us at if you would like to add your data or if you have comments and suggestions.