Registration

How do I arrange an appointment?

If you received a letter from us inviting you to take part in the study, you can arrange an appointment online by clicking on the "LOG IN" button on the top of this page. Your user ID and password are included in the letter. You can also arrange your appointment by phone at 1-855-261-3589 (9:00 am - 4:30 pm, ET).

Why do I have to log in and register?

If you received our letter and are interested in helping us with this study, we would like to arrange an appointment with you at a time that is most convenient for you. By logging in to the secure study site and registering with us using the button on the top of this page, you can let us know your preference. You can also register with us by phone at 1-855-261-3589 (9:00 am - 4:30 pm, ET).