[1] Univ Penn, Philadelphia, PA 19104 USA
[2] Dana Farber Canc Inst, Boston, MA 02115 USA
[3] Univ Calif Los Angeles, Los Angeles, CA USA
[4] Sidney Kimmel Canc Ctr Jefferson, Philadelphia, PA USA
[5] NCI, Bethesda, MD 20892 USA
[6] Frederick Natl Lab Canc Res, Frederick, MD USA
[7] Univ Texas MD Anderson Canc Ctr, Houston, TX 77030 USA
[8] Morrison Canc Ctr, Grand Isl, NE USA
[9] Southeastern Med Oncol Ctr, Goldboro, NC USA
[10] Univ Kentucky, Lexington, KY USA
[11] UT Southwestern Simmons Canc Ctr, San Antonio, TX USA
[12] Massachusetts Gen Hosp, Boston, MA 02114 USA