1Washington Cancer Institute, MedStar Washington Hospital Center, Washington, DC
2Memorial Sloan Kettering Cancer Center, Memorial Hospital, New York
3Department of Oncology, Asan Medical Center, University of Ulsan College of Medicine, Seoul
4Center for Breast Cancer, National Cancer Center, Goyang
5N. N. Petrov Research Institute of Oncology, St. Petersburg, Russia
612 de Octubre University Hospital, Medical Oncology Department, Madrid
7Centre Antoine Lacassagne, Nice
8National Center for Tumor Diseases, University Hospital, Heidelberg, Germany
9Roche Products, Welwyn, United Kingdom
10Genentech, South San Francisco, CA
11Vall d’Hebron University Hospital, Vall d’Hebron Institute of Oncology, Barcelona