[1] Mem Sloan Kettering Canc Ctr, New York, NY 10021 USA
[2] Massachusetts Gen Hosp, Ctr Canc, Boston, MA 02114 USA
[3] Stanford Comprehens Canc Ctr, Stanford, CA USA
[4] UCSF Helen Diller Family Comprehens Canc Ctr, San Francisco, CA USA
[5] Ohio State Univ, Ctr Comprehens Canc, James Canc Hosp, Columbus, OH 43210 USA
[6] Univ Texas MD Anderson Canc Ctr, Houston, TX USA
[7] Univ Alabama Birmingham, Ctr Comprehens Canc, Birmingham, AL USA
[8] Univ Utah, Huntsman Canc Inst, Salt Lake City, UT 84112 USA
[9] Duke Comprehens Canc Ctr, Durham, NC USA
[10] Northwestern Univ, Robert H Lurie Comprehens Canc Ctr, Evanston, IL 60208 USA
[11] Univ Michigan, Ctr Comprehens Canc, Ann Arbor, MI 48109 USA
[12] Dana Farber Brigham & Womens Canc Ctr, Boston, MA USA
[13] Univ Tennessee, Inst Canc, St Jude Childrens Res Hosp, Knoxville, TN 37996 USA
[14] Seattle Canc Care Alliance, Fred Hutchinson Canc Res Ctr, Seattle, WA USA
[15] H Lee Moffitt Canc Ctr & Res Inst, Tampa, FL USA
[16] Nebraska Med Ctr, UNMC Eppley Canc Ctr, Omaha, NE USA