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Please send reprints and notifications of new papers to

If you wish to submit data directly to the database, please use the form available for download below. Unpublished data that you wish to share will be considered, but published data are preferred. Detailed instructions for completion are contained in the form. This requires Excel or a compatible spreadsheet program. Once you have completed the form, please email it to The data will be checked and, if all goes well, will be added to the database during the next update.

Data Submission Form (xls)