Journal article (2010) - N Barker (author), M Huch (author), S van den Brink (author), J Korving (author), A Abo (author), P.J. Peters (author), N Wright (author), R Poulsom (author), H Clevers (author), Pekka Kujala (author), HJ Snippert (author), J van Es (author), T. Sato (author), DF Strange (author), H Begthel (author), M van den Born (author), E Danenberg (author)