1. Clinical Research DivisionFred Hutchinson Cancer Research Center Seattle Washington
2. Department of Laboratory MedicineUniversity of Washington Seattle Washington
3. Division of Laboratory Medicine and PathologyMayo Clinic Phoenix Arizona
4. Calgary Laboratory ServicesCalgary, Alberta Children's Hospital Research Institute Alberta
5. Department of SurgeryScott & White Medical Center Temple Texas
6. Immunogenetics Laboratory, Department of MedicineJohns Hopkins School of Medicine Baltimore Maryland
7. Department of Pathology and Laboratory MedicineBaylor University Medical Center Dallas Texas