[1] Univ Cambridge, Dept Clin Neurosci, Cambridge, England
[2] Univ Cambridge, NIHR Biomed Res Ctr, Cambridge, England
[3] Univ Colorado Denver Anschutz Med Campus, Dept Biochem & Mol Genet, Aurora, CO USA
[4] Univ Cambridge, Med Res Council Canc Unit, Hutchison MRC Res Ctr, Cambridge, England
[5] Leopold Franzens Univ Innsbruck, Dept Mol Biol, Innsbruck, Austria
[6] Leopold Franzens Univ Innsbruck, CMBI, Genom Stem Cell Biol & Regenerat Med, Innsbruck, Austria
[7] New York Stem Cell Fdn Res Inst, New York, NY USA
[8] Wellcome MRC Cambridge Stem Cell Inst, Core Bioinformat Grp, Cambridge, England
[9] Univ Hosp Cologne, CECAD Res Ctr, Fac Med, Cologne, Germany