About the Authors

Reinoud E. A. de Groot

Affiliation Hubrecht Institute, Royal Netherlands Academy of Arts and Sciences and University Medical Centre Utrecht, Utrecht, The Netherlands

Henner F. Farin

Affiliation Hubrecht Institute, Royal Netherlands Academy of Arts and Sciences and University Medical Centre Utrecht, Utrecht, The Netherlands

Marie Macůrková

Affiliation Department of Cell Biology, Faculty of Science, Charles University, Prague, Czech Republic

Johan H. van Es

Affiliation Hubrecht Institute, Royal Netherlands Academy of Arts and Sciences and University Medical Centre Utrecht, Utrecht, The Netherlands

Hans C. Clevers

Affiliation Hubrecht Institute, Royal Netherlands Academy of Arts and Sciences and University Medical Centre Utrecht, Utrecht, The Netherlands

Hendrik C. Korswagen

r.korswagen@hubrecht.eu

Affiliation Hubrecht Institute, Royal Netherlands Academy of Arts and Sciences and University Medical Centre Utrecht, Utrecht, The Netherlands

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: RdG HFF JvE HCC HCK. Performed the experiments: RdG HFF MM JvE. Analyzed the data: RdG HFF JvE HCK. Wrote the manuscript: RdG HCK.