[1] Hosp Clin Barcelona, Dept Clin Oncol, Barcelona, Spain
[2] Novartis Pharma AG, Precis Med, Basel, Switzerland
[3] Novartis Pharma AG, Biostat, Basel, Switzerland
[4] Vall dHebron Inst Oncol, Mol Oncol, Barcelona, Spain
[5] Univ Texas MD Anderson Canc Ctr, Breast Med Oncol, Houston, TX 77030 USA
[6] Mem Sloan Kettering Canc Ctr, Med Oncol, 1275 York Ave, New York, NY 10021 USA
[7] Hosp Univ 12 Octubre, Dept Med Oncol, Madrid, Spain