Authors: Daniel E Stange; Bon-Kyoung Koo; Meritxell Huch; Greg Sibbel; Onur Basak; Anna Lyubimova; Pekka Kujala; Sina Bartfeld; Jan Koster; Jessica H Geahlen; Peter J Peters; Johan H van Es; Marc van de Wetering; Jason C Mills; Hans Clevers Journal: Cell Date: 2013-10-10 Impact factor: 41.582