We are happy to answer questions about a study, confirm that an invitation is genuine, or remove you from future invitations.
If you are asking about a specific study, please include the study code from your invitation so we can help quickly.
You can also confirm a study directly with the organization named in your invitation, using contact details you already trust, such as the phone number on your bill.
To learn more about DSA, visit our main website.
Visit our main website to learn more about DSA.