The National Institutes of Health (NIH) is making every effort to ensure that the information available on our website is accessible to all. If you use special adaptive equipment to access the Web and encounter problems when using an NIH website, please let us know. Write to: NIHInfo@od.nih.gov and we will provide the information to you in an alternate format. It would be helpful if you can be as specific as possible when describing the information you seek. If you prefer to call, visit our help line page for a list of toll-free numbers: http://www.nih.gov/health/infoline.htm. For NIH employees who need assistance with accessibility issues, please contact the equal employment opportunity officer in your Institute.

To learn more about the regulations governing the accessibility of Federal electronic information products, visit the Section 508 webpage.