Scientific Reports 5: Article number: 11178; published online: 10 June 2015; updated: 18 December 2015.

Adriaan W. Bruijnzeel was omitted from the author list in the original version of this Article.

The Author Contributions section now reads:

“Z.Y. and K.W. wrote the main manuscript text. Z.Y. and F.L. prepared Figs 5B, 6 and 7. Z.Y., P.W., D.M., A.B., D.L., J.P., K.S. and T.S. prepared Figs 2, 3 and 4. P.P. and M.F. prepared Fig. 1. B.C. and R.R. prepared Fig. 5A. All authors reviewed the manuscript.”

This has been corrected in the PDF and HTML versions of the Article.