1. Joslin Diabetes Center, Boston, MA;
2. Harvard Stem Cell Institute, Harvard University, Cambridge, MA;
3. Dana-Farber Boston Children’s Cancer and Blood Disorders Center, Boston, MA;
4. Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, MA;
5. Department of Cancer Biology and Blais Proteomics Center, Dana-Farber Cancer Institute, Boston, MA;
6. Department of Biostatistics, Harvard T. H. Chan School of Public Health, Harvard University, Boston, MA;
7. Department of Physiology, Semmelweis University, Budapest, Hungary; and
8. Department of Stem Cell and Regenerative Biology, Harvard University, Cambridge, MA