Application for membership?of the HATCH Consortium?is open to any investigator able to provide the following de-identified material or data for patients with subarachnoid haemorrhage:

1. GWAS data, DNA or cellular samples
2. modified Rankin Score and/or?Glasgow Outcome Score (¡À extended) at 3, 6 and/or 12 months after ictus
3. age and gender
4. evidence of institutional review board approval and patient consent

To apply, please contact us and you will be sent an Expression of Interest form to complete.