[1] Hannover Med Sch, REBIRTH Res Grp Reprogramming, D-3000 Hannover, Germany
[2] Hannover Med Sch, Inst Expt Hematol, D-3000 Hannover, Germany
[3] Hannover Med Sch, REBIRTH Res Grp Stem Cell Biol, D-3000 Hannover, Germany
[4] Max Planck Inst Mol Biomed, Munster, Germany
[5] San Raffaele Telethon Inst Gene Therapy, Div Regenerat Med Stem Cells & Gene Therapy, Milan, Italy