Authors: Maria J Rodríguez-Colman; Matthias Schewe; Maaike Meerlo; Edwin Stigter; Johan Gerrits; Mia Pras-Raves; Andrea Sacchetti; Marten Hornsveld; Koen C Oost; Hugo J Snippert; Nanda Verhoeven-Duif; Riccardo Fodde; Boudewijn M T Burgering Journal: Nature Date: 2017-03-08 Impact factor: 49.962