Drost, Jarno
Karthaus, Wouter R
Gao, Dong http://orcid.org/0000-0003-1821-2741
Driehuis, Else http://orcid.org/0000-0002-4512-3106
Sawyers, Charles L
Chen, Yu
Clevers, Hans
Article History
First Online: 21 January 2016
Competing interests
: The authors declare no competing financial interests.