1. Department of Pathology Stanford University School of Medicine Stanford CA USA
2. The Novo Nordisk Foundation Center for Stem Cell Medicine (reNEW) University of Copenhagen Copenhagen Denmark
3. Department of Ophthalmology University of California, San Francisco San Francisco CA USA
4. Department of Genetics, Blavatnik Institute, Harvard Medical School Harvard University Boston MA USA
5. Broad Institute of MIT and Harvard Cambridge MA USA
6. Howard Hughes Medical Institute Boston MA USA