Donna G Albertson1, 2, Colin Collins1, 2, Frank McCormick1, 3
& Joe W Gray2, 41
Cancer Research Institute, University of California San Francisco, San Francisco, California 94143-0808, USA.
2
Department of Laboratory Medicine, University of California San Francisco, San Francisco, California 94143-0808, USA.
3
Department of Microbiology and Immunology, University of California San Francisco, San Francisco, California 94143-0808, USA.
4
Life Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA.
Correspondence should be addressed to Donna G Albertson albertson@cc.ucsf.edu or Joe W Gray jwgray@lbl.gov
