1. The US Oncology Network, Rocky Mountain Cancer Centers, Aurora, CO, USA
2. Centre Hospitalier Régional Universitaire De Lille, Université Lille, Lille, France
3. The US Oncology Network, Rocky Mountain Cancer Centers, Boulder, CO, USA
4. Genentech, South San Francisco, CA, USA
5. The US Oncology Network, Willamette Valley Cancer Institute, Springfield, OR, USA