Division of Pharmacotherapy and Experimental Therapeutics, Center for Pharmacogenomics and Individualized Therapy, The University of North Carolina Eshelman School of Pharmacy, Chapel Hill, North Carolina. Lineberger Comprehensive Cancer Center, University of North Carolina, Chapel Hill, North Carolina. The University of Chicago, Department of Medicine, Chicago, Illinois. Wihuri Research Institute and University of Helsinki, Helsinki, Finland. The Department of Genetics and Computational Biology, QIMR Berghofer Medical Research Institute, Brisbane, Australia. Department of Surgery, Medical University of South Carolina, Charleston, South Carolina. Bayer HealthCare Pharmaceuticals, Montville, New Jersey. Department of Drug Discovery and Biomedical Sciences, Medical University of South Carolina, Charleston, South Carolina. Division of Pharmacotherapy and Experimental Therapeutics, Center for Pharmacogenomics and Individualized Therapy, The University of North Carolina Eshelman School of Pharmacy, Chapel Hill, North Carolina. innocent@unc.edu.