Correction to: Scientific Reports https://doi.org/10.1038/s41598-018-20445-7, published online 31 January 2018

Michael Mak was omitted from the author list in the original version of this Article. This has been corrected in the PDF and HTML versions of the Article.

The Author Contributions section now reads:

L.Y., M.M., W.Y. and G.Z. conceived and designed the experiments. L.Y., W.P., H.C., C.Q., S.Y., Z.Y. and Z.Z. performed the experiments. L.Y., W.K. and L.L. analysed the data. L.Y., M.M., G.Z. and W.Y. contributed reagents, materials and analysis tools. L.Y., W.Y. and H.Z. took part in the preparation and revision of the manuscript. M.M. provided support for microfluidics and 3D cell culture. All authors have given approval to the final version of the manuscript.