[1] Univ N Carolina, Lineberger Comprehens Canc Ctr, 170 Manning Dr, Chapel Hill, NC 27516 USA
[2] Duke Univ, Med Ctr, Duke Canc Inst, Durham, NC USA
[3] Mem Sloan Kettering Canc Ctr, 1275 York Ave, New York, NY 10021 USA
[4] Mayo Clin, Alliance Stat & Data Ctr, Scottsdale, AZ USA
[5] NCI, Rockville, MD USA
[6] Dana Farber Partners CancerCare, Boston, MA USA
[7] Mayo Clin, Alliance Stat & Data Ctr, Rochester, MN USA
[8] Univ Texas MD Anderson Canc Ctr, Houston, TX 77030 USA
[9] Kaiser Permanente Vallejo Med Ctr, Vallejo, CA USA
[10] Emory Univ, Atlanta, GA 30322 USA