1. Department of Translational Research and Cellular Therapeutics, Arthur Riggs Diabetes and Metabolism Research Institute, Beckman Research Institute, City of Hope , Duarte, CA , USA
2. The Irell and Manella Graduate School of Biological Sciences, Beckman Research Institute, City of Hope , Duarte, CA , USA
3. Center for Comparative Medicine, Beckman Research Institute, City of Hope , Duarte, CA , USA
4. Division of Chemistry and Chemical Engineering, California Institute of Technology , Pasadena, CA, USA
5. Department of Surgery, University of Pittsburgh School of Medicine , Pittsburgh, PA, USA
6. Regulatory Biology Laboratory, Salk Institute for Biological Studies , La Jolla, CA , USA