1. South West Oncology Group Cancer Research Network , Portland, OR, USA
2. Coordinating Center for Clinical Trials, National Cancer Institute , Bethesda, MD, USA
3. Clinical Monitoring Research Program Directorate, Frederick National Laboratory for Cancer Research , Frederick, MD, USA
4. The Emmes Company, LLC , Rockville, MD, USA
5. Lung Cancer Foundation of America , Marina Del Rey, CA, USA