Updates are available Erratum dated 2015-02-27

Article History

Received: 7 March 2013

Accepted: 17 April 2014

First Online: 25 May 2014

Change Date: 23 January 2015

Change Type: Correction

Change Details: In the version of this Article originally published, the Author Contributions section was incorrect and should have read: 'Y.M. and L.H. designed and built the biosensor. Y.M., J-J.B.C., J.C. and L.H. designed the biological experiments. Y.M., J-J.B.C. and V.M. performed the experiments. J.C. and L.H. advised and gave critical feedback. Y.M. wrote the original manuscript. J-J.B.C. and L.H. revised the manuscript. J-J.B.C., V.M., J.C. and L.H. finalized the manuscript.' This has now been corrected in the online versions of the Article.

Competing interests

: The authors declare no competing financial interests.