<br> <li>Our site also automatically collects aggregated user information, such as the numbers and frequency of visitors to our website and their components. This data is only used in the aggregate, that is, as a statistical measure, and not in a manner that would identify you personally. We use this information to design and improve our sites, and may provide this information to partners so they can understand how often users visit different areas of our websites.</li> </ul> <p> </p> <b>Donor privacy policy/donor information sharing and opt-out</b> <p>The Crohn's &.