Memorial Sloan Kettering Cancer Center (213 articles, 29,574 citations, total link strength 994), Dana Farber Cancer Institute (151 articles, 18,227 citations, total link strength 890), and the University of Texas MD Anderson Cancer Center (204 articles, 13,888 citations, total link strength 890) had the most cooperation of any institutions in the field of HER2+ BC research. This evidence concerns the gene ERBB2 and breast cancer.