1 Carlos H. Barcenas, MD, MS, Department of Breast Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX; Juhee Song, PhD, Department of Biostatistics, The University of Texas MD Anderson Cancer Center, Houston, TX; Rashmi K. Murthy, MD, MBE and Akshara S. Raghavendra, MD, Department of Breast Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX; Yisheng Li, PhD, Department of Biostatistics, The University of Texas MD Anderson Cancer Center, Houston, TX; Limin Hsu, MS, Department of Breast Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX; Robert W. Carlson, MD, National Comprehensive Cancer Network (NCCN), Plymouth Meeting, PA, Department of Medicine, Division of Medical Oncology, Stanford University Medical Center, Stanford, CA; and Debu Tripathy, MD and Gabriel N. Hortobagyi, MD, Department of Breast Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX.