Yannik Bollen1,2,3, Jasmin Post1,2, Bon-Kyoung Koo4,* and Hugo J.G. Snippert1,2,*
1Molecular Cancer Research, Center for Molecular Medicine, University Medical Center Utrecht, Utrecht University, The Netherlands, 2Oncode Institute, The Netherlands, 3Medical Cell BioPhysics, MIRA Institute, University of Twente, Enschede, The Netherlands and 4Institute of Molecular Biotechnology of the Austrian Academy of Sciences (IMBA), Vienna, Austria
*To whom correspondence should be addressed.
Correspondence may also be addressed to Bon-Kyoung Koo.