About the Authors

Sarah K. Brennan

Affiliation Department of Oncology, The Sidney Kimmel Comprehensive Cancer Center, The Johns Hopkins University School of Medicine, Baltimore, Maryland, United States of America

Qiuju Wang

Affiliation Department of Oncology, The Sidney Kimmel Comprehensive Cancer Center, The Johns Hopkins University School of Medicine, Baltimore, Maryland, United States of America

Robert Tressler

Affiliation Geron Corporation, Menlo Park, California, United States of America

Calvin Harley

Affiliation Geron Corporation, Menlo Park, California, United States of America

Ning Go

Affiliation Geron Corporation, Menlo Park, California, United States of America

Ekaterina Bassett

Affiliation Geron Corporation, Menlo Park, California, United States of America

Carol Ann Huff

Affiliation Department of Oncology, The Sidney Kimmel Comprehensive Cancer Center, The Johns Hopkins University School of Medicine, Baltimore, Maryland, United States of America

Richard J. Jones

Affiliation Department of Oncology, The Sidney Kimmel Comprehensive Cancer Center, The Johns Hopkins University School of Medicine, Baltimore, Maryland, United States of America

William Matsui

matsuwi@jhmi.edu

Affiliation Department of Oncology, The Sidney Kimmel Comprehensive Cancer Center, The Johns Hopkins University School of Medicine, Baltimore, Maryland, United States of America

Competing Interests

R.T., C.H., N.G., and E.B. are employees of Geron. W.M. received research funding from Geron. This does not alter the authors' adherence to all the PLoS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: SKB CH CAH RJJ WM. Performed the experiments: SKB QW NG EB. Analyzed the data: SKB RT NG EB. Contributed reagents/materials/analysis tools: RT CH. Wrote the paper: SKB WM.