1. Department of Diabetes and Metabolic Diseases Research, Beckman Research Institute of City of Hope, Duarte, California.
2. Department of Molecular and Cellular Biology, Beckman Research Institute of City of Hope, Duarte, California.
3. Irell & Manella Graduate School of Biological Sciences, Beckman Research Institute of City of Hope, Duarte, California.
4. Division of Stem Cell and Leukemia Research, Beckman Research Institute of City of Hope, Duarte, California.