[1] Fred Hutchinson Canc Ctr, Bothell, WA USA
[2] Univ Calif San Francisco, San Francisco, CA 94143 USA
[3] Fred Hutchinson Canc Ctr, Seattle, WA USA
[4] Univ Washington, Dept Neurol Surg, Seattle, WA 98195 USA
[5] Baylor Coll Med, Houston, TX 77030 USA
[6] Univ Hosp Heidelberg, Heidelberg, Germany
[7] Univ Toronto, Toronto, ON, Canada
[8] Toronto Western Hosp, Toronto, ON, Canada
[9] NCI, Lab Pathol, NIH, Bethesda, MD USA
[10] Fred Hutchinson Canc Ctr, Div Human Biol, Seattle, WA USA