American Academy of Dermatology American Cancer Society
  http://www.aad.org/   http://www.cancer.org/
American Diabetes Association American Liver Foundation
  http://www.diabetes.org/   http://www.liverfoundation.org/
American Society for Virology Society of Toxicology
  http://www.mcw.edu/asv/   http://www.toxicology.org/