1. Stem Cell and Regenerative Medicine GroupInstitute of Anatomy and Cell Biology II, University of Würzburg Würzburg Germany
2. The life science business of Merck KGaA Darmstadt Germany
3. EMD Millipore Corporation Bedford Massachusetts USA
4. Institute of Molecular Biology & Center for Molecular Biosciences Innsbruck, Genomics, Stem Cell Biology and Regenerative Medicine Leopold‐Franzens‐University & CMBI Innsbruck Innsbruck Austria