Combined Meeting of the 17Th European-Society-Of-Gene-And-Cell-Therapy/16Th German-Society-For-Gene-Therapy/4Th German-Society-For-Stem-Cell-Research, Date: NOV 21-25, 2009, Location: Hannover, GERMANY, Sponsors: Int Soc Cellular Therapy, European Branch, European Soc Gene & Cell Therapy, German Soc Gene Therapy, German Soc Stem Cell Res, BD Biosci, Biotech GmbH, Genethon, Cellectis, EUFETS, Lonza, Oxford BioMedica, Peprotech, Plasmidfactory, Regenx Biosci, Rentschler, Sartorius Stedim, StemCell Technologies