Three months following Visit 5, subjects will return and complete the MEWT, HIT-6, MSQ, COWAT, and Subject's Global Impression of Change. The Investigator will complete a Physician's Global Impression of Change. Any change in medical or medication history since the previous visit will be collected and a pregnancy test collected if appropriate. Vital signs will be recorded. The coordinator will assess compliance with online headache diary and any deviation outside of 100% compliance should be documented at the site.