Text and Data Mining valid from 2016-08-02
Received: 17 February 2016
Accepted: 27 July 2016
First Online: 2 August 2016
: R.A., A.H.S. and G.J.F. hold patents and receive patent royalties related to the PD-1 inhibitory pathway. R.A., A.H.S. and G.J.F. declare no additional financial interests. The remaining authors declare no competing financial interests.