[1] Univ Washington, Fred Hutchinson Canc Res Ctr, Seattle, WA 98195 USA
[2] Univ Leipzig, Leipzig, Germany
[3] Stanford Univ, Stanford, CA 94305 USA
[4] VA Puget Sound Hlth Care Syst, Seattle, WA USA
[5] Med Coll Wisconsin, Milwaukee, WI 53226 USA
[6] Oregon Hlth & Sci Univ, Portland, OR 97201 USA
[7] Univ Utah, Salt Lake City, UT USA
[8] Baylor Univ, Dallas, TX USA
[9] Rocky Mt Canc Ctr, Denver, CO USA
[10] Rigshosp, DK-2100 Copenhagen, Denmark
[11] City Hope Natl Med Ctr, Duarte, CA 91010 USA
[12] Univ Colorado, Boulder, CO 80309 USA
[13] Univ Turin, Turin, Italy
[14] Emory Univ, Winship Canc Inst, Atlanta, GA 30322 USA