1. ATCC, Lawrenceville, Georgia.
2. Integrated Biobank of Luxumbourg, Luxumbourg.
3. AIDS and Cancer Specimen Resource (ACSR), San Francisco, California.
4. Georgia Health Sciences University, Augusta, Georgia.
5. National Cancer Institute, Bethesda, Maryland.
6. National Institute of Standards and Technology, Charleston, South Carolina.
7. University of Alabama at Birmingham, Birmingham, Alabama.
8. University of Minnesota Academic Health Center, Minneapolis, Minnesota.
9. Windber Research Institute, Windber, Pennsylvania.