1 Department of Stem Cell and Regenerative Biology, Harvard University, Cambridge, MA, USA.
2 Stanley Center for Psychiatric Research, Broad Institute of MIT and Harvard, Cambridge, MA, USA.
3 Klarman Cell Observatory, Broad Institute of MIT and Harvard, Cambridge, MA, USA.
4 Genentech, South San Francisco, CA, USA.
5 Klarman Cell Observatory, Broad Institute of MIT and Harvard, Cambridge, MA, USA. aviv.regev.sc@gmail.com.
6 Howard Hughes Medical Institute, Koch Institute of Integrative Cancer Research, Department of Biology, Massachusetts Institute of Technology, Cambridge, MA, USA. aviv.regev.sc@gmail.com.
7 Genentech, South San Francisco, CA, USA. aviv.regev.sc@gmail.com.
8 Department of Stem Cell and Regenerative Biology, Harvard University, Cambridge, MA, USA. paola_arlotta@harvard.edu.
9 Stanley Center for Psychiatric Research, Broad Institute of MIT and Harvard, Cambridge, MA, USA. paola_arlotta@harvard.edu.