Summary The Administrative, Biostatistics, Data Management & Bioinformatics Core is essential for the smooth functioning of the overall Program Project. Core A has three major functions: First, the Core will provide supervision of program finances, administrative and secretarial support, maintenance of authorizations and adherence to institutional requirements, and coordination of meetings of the Program Project team and the Internal and External Advisory Boards. Second, the Core will provide data management and Biostatistics support for the Program Project. Third, the Core will provide Bioinformatics support for the Program Project. All components of this Core will serve each of the three Projects over all five years of the Program Project.