The medical information provided on this website is for educational purposes only and is not to be construed as medical advice, a diagnosis, treatment, a second opinion for health conditions or professional service. The information should not be used for diagnosing or treating a health problem or a disease. It is not a substitute for professional care. If you have or suspect you may have a health problem, you should consult your health care provider.

In view of the possibility of human error and changes in medical sciences, neither the authors nor the University of Rochester, nor any other party involved in the preparation or publication of this work, warrant that the information is in every respect accurate or complete. Neither the authors nor the University of Rochester are responsible for any errors or omissions nor for the results obtained from the use of the information published on this website.