[1
]
Regenerative Medicine Discovery Performance Unit, GlaxoSmithKline, Cambridge, MA 02139,
USA. Electronic address: john.d.mcneish@gsk.com.
[2
]
Regenerative Medicine Discovery Performance Unit, GlaxoSmithKline, Cambridge, MA 02139,
USA.
[3
]
Departments of Neurology and Anesthesia, Critical Care and Pain Medicine, Massachusetts
General Hospital, Boston, MA 02114, USA; Harvard Stem Cell Institute, Cambridge, MA
02138, USA.
[4
]
Harvard Stem Cell Institute, Cambridge, MA 02138, USA; FM Kirby Neurobiology Center,
Boston Children's Hospital and Harvard Medical School, Boston, MA 02115, USA.
[5
]
Harvard Stem Cell Institute, Cambridge, MA 02138, USA; Howard Hughes Medical Institute
and Department of Stem Cell and Regenerative Biology, Harvard University, Cambridge,
MA 02138, USA; Stanley Center for Psychiatric Research, Broad Institute of Harvard
and MIT, Cambridge, MA 02139, USA. Electronic address: eggan@mcb.harvard.edu.